Free Patent/Trademark Report to Commissioner - District Court of Delaware - Delaware

O AO 120 (Rev. 3/04)

Case 1:07-cv-00670-JJF

Document 4

Filed 10/24/2007

Page 1 of 1

TO:

Mail Stop 8 Director of the U.S. Patent and Trademark Office P.O. Box 1450 Alexandria, VA 22313-1450

REPORT ON THE FILING OR DETERMINATION OF AN ACTION REGARDING A PATENT OR TRADEMARK

In Compliance with 35 U.S.C. § 290 and/or 15 U.S.C. § 1116 you are hereby advised that a court action has been filed in the U.S. District Court DOCKET NO. 07-cv-670 PLAINTIFF Affymetrix Inc. DATE FILED 10/24/2007 Delaware on the following

x Patents or

Trademarks:

U.S. DISTRICT COURT DISTRICT OF DELAWARE DEFENDANT Illumina Inc.

PATENT OR TRADEMARK NO. 1 2 3 4 5 5,902,723 US 6,403,320 B1 US 6,420,169 B1 US 6,576,424 B2 US 7,056,666

DATE OF PATENT OR TRADEMARK 05/11/1999 06/11/2002 07/16/2002 06/10/2003 06/06/2006

HOLDER OF PATENT OR TRADEMARK Williman J. Dower et al. Affymnetrix Inc. Affymetrix Inc. Affymetrix Inc. Affymetrix Inc.

In the above--entitled case, the following patent(s)/ trademark(s) have been included:

DATE INCLUDED PATENT OR TRADEMARK NO. 1 2 3 4 5

INCLUDED BY G Amendment DATE OF PATENT OR TRADEMARK Answer Cross Bill Other Pleading HOLDER OF PATENT OR TRADEMARK

In the above--entitled case, the following decision has been rendered or judgement issued: DECISION/JUDGEMENT

CLERK PETER T. DALLEO, CLERK OF COURT

(BY) DEPUTY CLERK

DATE 10/24/2007

Copy 1--Upon initiation of action, mail this copy to Director Copy 3--Upon termination of action, mail this copy to Director Copy 2--Upon filing document adding patent(s), mail this copy to Director Copy 4--Case file copy