Free Answer to Counterclaim - District Court of Delaware - Delaware

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IN THE UNITED STATES DISTRICT COURT FOR THE EASTERN DISTRICT OF TEXAS MARSHALL DIVISION REMBRANDT TECHNOLOGIES, LP ) ) Plaintiff ) ) v. ) ) ) COMCAST CORPORATION; COMCAST ) CABLE COMMUNICATIONS, LLC; ) and COMCAST OF PLANO, LP, ) ) Defendants )

Case No. 2-06CV-506-TJW JURY TRIAL REQUESTED

PLAINTIFF'S REPLY TO DEFENDANTS' COUNTERCLAIMS Plaintiff Rembrandt Technologies, LP ("Rembrandt") hereby responds to the Counterclaims of Defendants Comcast Corporation ("Comcast Corp."), Comcast Cable Communications, LLC ("Comcast Cable"), and Comcast of Plano, LP ("Comcast Plano") (collectively "Comcast") filed December 21, 2006. All allegations not expressly admitted are denied. 1. 2. 3. Admitted. Admitted. Rembrandt admits that this Court has jurisdiction over Comcast's Counterclaims.

The remaining allegations of this paragraph do not require a response. 4. 5. Admitted. Admitted.

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FIRST COUNTERCLAIM FOR RELIEF 6. Rembrandt incorporates by reference its responses contained in Paragraphs 1

through 5 above. 7. Rembrandt admits that an actual controversy exists between the parties regarding

U.S. Patent No. 5,008,903. 8. Paragraphs 1-30 of Comcast's Answer do not require a response. Rembrandt

denies all allegations contained in Comcast's Affirmative Defenses. 9. 10. 11. 12. 13. Denied. Denied. Denied. Denied. Denied. SECOND COUNTERCLAIM FOR RELIEF 14. Rembrandt incorporates by reference its responses contained in Paragraphs 1

through 13 above. 15. Rembrandt admits that an actual controversy exists between the parties regarding

U.S. Patent No. 5,710,761. 16. Paragraphs 1-30 of Comcast's Answer do not require a response. Rembrandt

denies all allegations contained in Comcast's Affirmative Defenses. 17. 18. 19. Denied. Denied. Denied.

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20. 21.

Denied. Denied. THIRD COUNTERCLAIM FOR RELIEF

22.

Rembrandt incorporates by reference its responses contained in Paragraphs 1

through 21 above. 23. Rembrandt admits that an actual controversy exists between the parties regarding

U.S. Patent No. 5,778,234. 24. Paragraphs 1-30 of Comcast's Answer do not require a response. Rembrandt

denies all allegations contained in Comcast's Affirmative Defenses. 25. 26. 27. 28. 29. Denied. Denied. Denied. Denied. Denied. FOURTH COUNTERCLAIM FOR RELIEF 30. Rembrandt incorporates by reference its responses contained in Paragraphs 1

through 29 above. 31. Rembrandt admits that an actual controversy exists between the parties regarding

U.S. Patent 6,131,159. 32. Paragraphs 1-30 of Comcast's Answer do not require a response. Rembrandt

denies all allegations contained in Comcast's Affirmative Defenses. 33. 34. Denied. Denied.

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35. 36. 37.

Denied. Denied. Denied. FIFTH COUNTERCLAIM FOR RELIEF

38.

Rembrandt incorporates by reference its responses contained in Paragraphs 1

through 37 above. 39. Rembrandt admits that an actual controversy exists between the parties regarding

U.S. Patent 6,950,444. 40. Paragraphs 1-30 of Comcast's Answer do not require a response. Rembrandt

denies all allegations contained in Comcast's Affirmative Defenses. 41. 42. 43. 44. 45. Denied. Denied. Denied. Denied. Denied. JURY DEMAND This paragraph does not require a response. PRAYER FOR RELIEF Rembrandt denies that Comcast is entitled to any relief.

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Dated: January 9, 2007.

SUSMAN GODFREY L.L.P.

By: /s/ Max L. Tribble, Jr. Max L. Tribble, Jr. State Bar No. 20213950 Email: [email protected] Susman Godfrey L.L.P. 1000 Louisiana Street, Suite 5100 Houston, TX 77002 Telephone: (713) 651-9366 Facsimile: (713) 654-6666

OF COUNSEL: Edgar Sargent WA State Bar No. 28283 Email: [email protected] Susman Godfrey L.L.P. 1201 Third Avenue, Suite 3800 Seattle, WA 98101-3000 Telephone: (206) 516-3880 Facsimile: (206) 516-3883 Brooke A.M. Taylor WA State Bar No. 33190 Email: [email protected] Susman Godfrey L.L.P. 1201 Third Avenue, Suite 3800 Seattle, WA 98101-3000 Telephone: (206) 516-3880 Facsimile: (206) 516-3883 Tibor L. Nagy TX Bar 24041562 Email: [email protected] Susman Godfrey L.L.P. 590 Madison Ave., 8th Floor New York, NY 10022 Main Telephone: (212) 336-8330 Main Fax: (212) 336-8340

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CERTIFICATE OF SERVICE This is to certify that a true and correct copy of the foregoing instrument has been served on the following counsel of record, this 9th day of January, 2007, via email and in accordance with the FRCP: Jennifer Haltom Doan [email protected] HALTOM AND DOAN LLP 6500 North Summerhill Road Crown Executive Center, Suite 1 A Texarkana, TX 75505 Brian L. Ferrall [email protected] Leo Lam Mathew Werdegar Eric MacMichael KEKER & VAN NEST, LLP 710 Sansome Street San Francisco, CA 94111-1704 Attorneys for Comcast Corporation, Comcast Cable Communications, LLC and Comcast of Plano, LP /s/ Max L. Tribble, Jr. Max L. Tribble, Jr.

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