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Teva v. AstraZeneca and secret prior art under 102(g)(2)

A recent Federal Circuit decision and the reasoning behind it could have a significant impact on the patentability of other life science inventions, even after changes in the patent law.

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  1. 1

    Teva v. AstraZeneca. No. 2011–1091 (Fed. Cir., Dec. 1, 2011).

  2. 2

    H.R. 1249, 112th Cong. § 3 (2011).

  3. 3

    Chisum, D.S. Priority among competing patent applicants under the American Invents Act, § II.A (2011). <>

  4. 4

    Rich, G.S. Speech to the New York Patent Law Association (Nov. 6, 1951).

  5. 5

    See Thomson, S.A. v. Quixote Corp., 166 F.3d 1172, n. 3 (Fed. Cir. 1999).

  6. 6

    S. 1948 § 4806 (1999).

  7. 7

    See Invitrogen Corp. v. Clontech Labs., Inc., 429 F.3d 1052 (Fed. Cir. 2005).

  8. 8

    Dow Chemical Co. v. Astro-Valcour, Inc., 267 F.3d 1334 (Fed. Cir. 2001).

  9. 9

    Mycogen Plant Sciences v. Monsanto Co., 243 F.3d 1316 (Fed. Cir. 2001).

  10. 10

    Invitrogen Corp. v. Clontech Labs., 429 F.3d 1052 (Fed. Cir. 2005).

  11. 11

    Parker v. Frilette, 462 F.2d 544, 547 (CCPA 1972).

  12. 12

    US Patent No. RE39,502, Claim 1 (emphasis added)

  13. 13

    H.R. 1249 at § 5 (amending 35 USC § 273(g) to recite “[a] patent shall not be deemed to be invalid under section 102 or 103 solely because a defense is raised or established under this section.”).

  14. 14

    H.R. 1249 at § 5 (amending 35 USC § 273(f) to recite “[i]f the defense under this section is pleaded by a person who is found to infringe the patent and who subsequently fails to demonstrate a reasonable basis for asserting the defense, the court shall find the case exceptional for the purpose of awarding attorney fees under section 285.”).

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Correspondence to Sandra Lee.

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Lee, S., Knierim, M. Teva v. AstraZeneca and secret prior art under 102(g)(2). Nat Biotechnol 30, 831–833 (2012).

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