Sung-HoonKim : CAFC Alert

Public use bar inappropriate when participants in clinical trials do not discern specifics of new product

Sung-Hoon Kim | May 22, 2013

Dey, L.P. v. Sunovion Pharmaceuticals, Inc.

May 20, 2013

Panel:  Bryson, O’Malley, and Newman.  Opinion by Bryson.  Dissent by Newman.

Summary:

The Federal Circuit reversed and remanded the holding of the District Court that some of Dey’s patents were invalid because a Sunovion’s clinical trial, where Sunovion tested its own product, constituted an invalidating public use.  The Federal Circuit determined that although some of test samples were lost and clinical trial was not perfectly confidential, Sunovion’s clinical trial is not an invalidating public use as long as participants do not recognize the specifics of a new drug.

연방지방법원 뉴욕 남부지원(U.S. District Court for the Southern District of New York)은 Sunovion의 임상실험 (clinical trial)이 공용 (public use)에 해당된다고 판단하여, Dey의 특허가 무효 (invalid)라도 판결하였다.

이에 불복하여, 원고는 연방항소법원 (U.S. Court of Appeals for the Federal Circuit)에 상고 (appeal)하였다.  연방항소법원은 임상실험 도중 test sample이 분실되었거나 임상실험이 완벽히 비공개로 진행되지 않았더라도 실험참가자가 신약에 대한 자세한 정보를 모른다면Sunovion의 임상실험은 공용에 해당되지 않는다고 판결하였다.


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Prior art can show what the claims would mean to those skilled in the art

Sung-Hoon Kim | December 5, 2012

ArcelorMittal v. AK Steel Corp.

November 30, 2012

Panel: Dyk, Clevenger, and Wallach.  Opinion by Dyk.

Summary:

The U.S. District Court for the District of Delaware held that defendants AK Steel did not infringe plaintiffs ArcelorMittal’s U.S. Patent No. 6,296,805 (the ‘805 patent), and that the asserted claims were invalid as anticipated and obvious based on a jury verdict.

ArcelorMittal appealed the district court’s decision.  On appeal, the CAFC upheld the district court’s claim construction in part and reverse it in part.  With regard to anticipation, the CAFC reversed the jury’s verdict of anticipation.  With regard to obviousness, the CAFC held that a new trial is required because the district court’s claim construction error prevented the jury from properly considering ArcelorMittal’s evidence of commercial success.

미국 델라웨어주 연방지방법원 (U.S. District Court for the District of Delaware)은 원고 (ArcelorMittal)가 피고 (AK Steel)를 상대로 낸 특허 침해 소송에서 원고의 특허 (U.S. Patent No. 6,296,805)가 예견가능성 (anticipation) 및 자명성 (obviousness) 기준을 통과하지 못하였다는 배심원의 판단을 바탕으로 피고가 원고의 특허를 침해하지 않았다고 판결하였다.

이에 불복하여 원고는 연방항소법원 (U.S. Court of Appeals for the Federal Circuit)에서 상고 (appeal) 하였으며, 연방항소법원은 지방법원의 청구항 해석 (claim construction)에 대해 일정 부분은 확인하였으나, 나머지 부분은 번복하였다.

예견가능성과 관련하여 연방항소법원은 배심원의 예견가능성 판단과 다른 결정을 내렸다.

자명성과 관련해서는 연방지방법원의 잘못된 청구항 해석으로 인하여 배심원이 원고의 상업적 성공 (commercial success) 증거를 고려하지 않았기때문에 재심 (new trial)이 필요하다고 판결하였다.


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