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  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington,
  D.C. 20549</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade color="black" align="center"></div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Pursuant to Section&nbsp;13 or 15(d)&nbsp;of the Securities Exchange
  Act of 1934</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Date of
  Report (Date of earliest event reported):&#160;
  May&nbsp;9, 2008</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade color="black" align="center"></div>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">CombiMatrix Corporation</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of
  registrant as specified in its charter)</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div align="center">
  
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    <td width="36%" valign="top" style="padding:0in 0in 0in 0in;width:36.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Delaware</font></b></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.0%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="24%" valign="top" style="padding:0in 0in 0in 0in;width:24.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">001-33523</font></b></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.0%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="36%" valign="top" style="padding:0in 0in 0in 0in;width:36.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">47-0899439</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="36%" valign="top" style="padding:0in 0in 0in 0in;width:36.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other
    jurisdiction of incorporation)</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="24%" valign="top" style="padding:0in 0in 0in 0in;width:24.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File
    Number)</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="36%" valign="top" style="padding:0in 0in 0in 0in;width:36.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer
    Identification Number)</font></p>
    </td>
   </tr>
  </table>
  
  </div>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <h1 style="line-height:normal;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">6500
  Harbour Heights Parkway, Suite&nbsp;303<br>
  Mukilteo, Washington 98275</font></b></h1>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of
  principal executive offices, including zip code)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(425)
  493-2000</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s
  telephone number, including area code)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Former name or former
  address, if changed since last report)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the
  appropriate box below if the Form&nbsp;8-K filing is intended to simultaneously
  satisfy the filing obligation of the registrant under any of the following
  provisions (see General Instruction A.2 below):</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font> Written
  communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font> Soliciting
  material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR
  240.14a-12)</p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>
  Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the
  Exchange Act (17 CFR 240.24d-2(b))</p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>
  Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the
  Exchange Act (17 CFR 240.23e-4(c))</p>
  
  <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0in 0in 0in 0in;">
  
  <p style="border:none;margin:0in 0in .0001pt;padding:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  </div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='',FILE='C:\JMS\105455\08-14216-1\task2940104\14216-1-ba.htm',USER='105455',CD='May 14 22:32 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div style="font-family:Times New Roman;">
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-align:justify;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item
  2.02.&#160;&#160; Results of Operations and
  Financial Condition.</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-align:justify;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On May&nbsp;14, 2008,
  CombiMatrix Corporation (the &#147;Company&#148;) issued a press release announcing its
  financial results for the three-months ended March&nbsp;31, 2008.&#160; A copy of that release is furnished as Exhibit&nbsp;99.1
  to this report.</font></p>
  
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 2.03.&#160; Creation of a Direct Financial Obligation or
  an Obligation under an Off-Balance Sheet Arrangement of a Registrant.</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-align:justify;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On May&nbsp;9,
  2008, pursuant to a loan management account agreement (&#147;LMA&#148;) with Merrill
  Lynch Bank USA, the Company borrowed $807,500, secured by its holdings in
  auction rate securities (&#147;ARS&#148;).&#160; The LMA
  is similar to a revolving line of credit borrowing facility.&#160; The LMA provides that the Company is to pay
  monthly interest-only payments at an annual, variable rate of 1% plus the
  30-day LIBOR rate.&#160; The total amount
  available under the LMA ranges from 50% to 92% of investments pledged as
  collateral, based upon the amount and security type, up to a maximum amount of
  $2.8 million.</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-align:justify;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item
  9.01.&#160;&#160;&#160; Financial Statements and
  Exhibits.</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Exhibits.</p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt .5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1&#160; Press Release dated May&nbsp;14, 2008 of the
  Registrant.</font></p>
  
  <p style="margin:0in 0in .0001pt .5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.2&#160; Loan Management Account Agreement between the
  Registrant and Merrill Lynch Bank, USA.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-align:justify;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information
  referenced in Item 2.02 of this Current Report on Form&nbsp;8-K is being
  furnished and shall not be deemed &#147;filed&#148; for the purposes of Section&nbsp;18
  of the Securities Exchange Act of 1934, as amended, or otherwise subject to the
  liabilities of that Section.&#160; Such
  information shall not be incorporated by reference into any registration
  statement or other document pursuant to the Securities Act of 1933, as amended,
  except as shall be expressly set forth by specific reference in such filing.</font></p>
  
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="color:black;line-height:normal;margin:0in 0in .0001pt;text-align:justify;text-indent:.25in;"><font size="2" color="black" face="Times New Roman" style="color:windowtext;font-size:10.0pt;">Pursuant to the requirements of the Securities Exchange Act
  of 1934, the registrant has duly caused this report to be signed on its behalf
  by the undersigned hereunto duly authorized.</font></p>
  
  <p align="left" style="color:black;line-height:normal;margin:0in 0in .0001pt;text-align:left;text-indent:.25in;"><font size="2" color="black" face="Times New Roman" style="color:windowtext;font-size:10.0pt;">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="7%" valign="top" style="padding:0in 0in 0in 0in;width:7.34%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="43%" valign="top" style="padding:0in 0in 0in 0in;width:43.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="49%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:49.58%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">COMBIMATRIX
    CORPORATION</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="7%" valign="top" style="padding:0in 0in 0in 0in;width:7.34%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="43%" valign="top" style="padding:0in 0in 0in 0in;width:43.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.58%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="46%" valign="top" style="padding:0in 0in 0in 0in;width:46.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="7%" valign="top" style="padding:0in 0in 0in 0in;width:7.34%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated:</font></p>
    </td>
    <td width="43%" valign="top" style="padding:0in 0in 0in 0in;width:43.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">May&nbsp;14,
    2008</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.58%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
    </td>
    <td width="46%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:46.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Scott Burell</font></p>
    </td>
   </tr>
   <tr>
    <td width="7%" valign="top" style="padding:0in 0in 0in 0in;width:7.34%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="43%" valign="top" style="padding:0in 0in 0in 0in;width:43.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.58%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="46%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:46.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Scott Burell,
    Chief Financial Officer</font></p>
    </td>
   </tr>
  </table>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\105455\08-14216-1\task2940104\14216-1-ba.htm',USER='105455',CD='May 14 22:32 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit&nbsp;Index</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="11%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:11.5%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Exhibit&nbsp;Number</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.66%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="85%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:85.84%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="11%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:11.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.66%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="85%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:85.84%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
    <p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.66%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="85%" valign="top" style="padding:0in 0in 0in 0in;width:85.84%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press Release dated
    May&nbsp;14, 2008, of the Registrant.</font></p>
    </td>
   </tr>
   <tr>
    <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
    <p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.2</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.66%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="85%" valign="top" style="padding:0in 0in 0in 0in;width:85.84%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Loan Management Account
    Agreement between the Registrant and Merrill Lynch Bank, USA.</font></p>
    </td>
   </tr>
  </table>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>
  
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metadata_filer: {"company-data": {"conformed-name": "CombiMatrix Corp", "cik": "0001383183", "assigned-sic": "3826", "irs-number": "470899439", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-33523", "film-number": "08831920"}, "business-address": {"street1": "6500 HARBOUR HEIGHTS PKWY #301", "city": "MUKILTEO", "state": "WA", "zip": "98275", "phone": "425-493-2300"}, "mail-address": {"street1": "6500 HARBOUR HEIGHTS PKWY #301", "city": "MUKILTEO", "state": "WA", "zip": "98275"}}
text: UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington,
  D.C. 20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange
  Act of 1934
  Date of
  Report (Date of earliest event reported): 
  May 9, 2008
  CombiMatrix Corporation
  (Exact name of
  registrant as specified in its charter)
  Delaware
  001-33523
  47-0899439
  (State or other
    jurisdiction of incorporation)
  (Commission File
    Number)
  (I.R.S. Employer
    Identification Number)
  6500
  Harbour Heights Parkway, Suite 303
  Mukilteo, Washington 98275
  (Address of
  principal executive offices, including zip code)
  (425)
  493-2000
  (Registrant's
  telephone number, including area code)
  (Former name or former
  address, if changed since last report)
  Check the
  appropriate box below if the Form 8-K filing is intended to simultaneously
  satisfy the filing obligation of the registrant under any of the following
  provisions (see General Instruction A.2 below):
  o
  Written
  communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  o
  Soliciting
  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
  240.14a-12)
  o
  Pre-commencement communications pursuant to Rule 14d-2(b) under the
  Exchange Act (17 CFR 240.24d-2(b))
  o
  Pre-commencement communications pursuant to Rule 13e-4(c) under the
  Exchange Act (17 CFR 240.23e-4(c))
  Item
  2.02.   Results of Operations and
  Financial Condition.
  On May 14, 2008,
  CombiMatrix Corporation (the "Company") issued a press release announcing its
  financial results for the three-months ended March 31, 2008.  A copy of that release is furnished as Exhibit 99.1
  to this report.
  Item 2.03.  Creation of a Direct Financial Obligation or
  an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
  On May 9,
  2008, pursuant to a loan management account agreement ("LMA") with Merrill
  Lynch Bank USA, the Company borrowed $807,500, secured by its holdings in
  auction rate securities ("ARS").  The LMA
  is similar to a revolving line of credit borrowing facility.  The LMA provides that the Company is to pay
  monthly interest-only payments at an annual, variable rate of 1% plus the
  30-day LIBOR rate.  The total amount
  available under the LMA ranges from 50% to 92% of investments pledged as
  collateral, based upon the amount and security type, up to a maximum amount of
  $2.8 million.
  Item
  9.01.    Financial Statements and
  Exhibits.
  (d)
  Exhibits.
  99.1  Press Release dated May 14, 2008 of the
  Registrant.
  99.2  Loan Management Account Agreement between the
  Registrant and Merrill Lynch Bank, USA.
  The information
  referenced in Item 2.02 of this Current Report on Form 8-K is being
  furnished and shall not be deemed "filed" for the purposes of Section 18
  of the Securities Exchange Act of 1934, as amended, or otherwise subject to the
  liabilities of that Section.  Such
  information shall not be incorporated by reference into any registration
  statement or other document pursuant to the Securities Act of 1933, as amended,
  except as shall be expressly set forth by specific reference in such filing.
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act
  of 1934, the registrant has duly caused this report to be signed on its behalf
  by the undersigned hereunto duly authorized.
  COMBIMATRIX
    CORPORATION
  Dated:
  May 14,
    2008
  By:
  /s/ Scott Burell
  Scott Burell,
    Chief Financial Officer
  2
  Exhibit Index
  Exhibit Number
  Description
  99.1
  Press Release dated
    May 14, 2008, of the Registrant.
  99.2
  Loan Management Account
    Agreement between the Registrant and Merrill Lynch Bank, USA.
  3