Chinta, Perdomo, Berks and Fratangelo LLP

You think your competitor’s patent is junk? Don’t tell it to the judge

Commentary by James P. Demers On May 26, 2015, the U.S. Supreme Court issued a decision in a patent case, Commil USA, LLC v. Cisco Systems, Inc., in which the Court held that a good faith belief that a patent...

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Adams Respiratory Therapeutics, Inc. v. Perrigo Co.

No. 2010-1246 (Fed. Cir. 8/5/2010) (Linn, Moore, Friedman, opinion by Moore).This case highlights several important issues in an ANDA litigation. Background Adams owns the '252 patent for controlled release guaifenesin. Adams markets Mucinex® which is the preferred embodiment of the...

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WHAT IS A WRITTEN DESCRIPTION IN A PATENT?

WHAT IS A WRITTEN DESCRIPTION IN A PATENT? A critical aspect in patent drafting is the “written description requirement” (35 USC §112(a)). This is a standard feature of all patent systems, which requires that claims be “supported” by the specification....

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Entecavir Obvious?

In this Hatch-Waxman case, Bristol-Myers Squibb, owner of the drug entecavir (sold as Baraclude®, indicated for hepatitis B (HBV) infection), sued Teva Pharmaceuticals for patent infringement. Teva responded that the patent (the only patent at issue was US5206244, priority date...

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Obviousness upheld: Purdue Pharma Products L.P. v. Par Pharmaceutical, Inc.

No. 2009-1553 (Fed. Cir. 6/3/2010) (non precedential). Par filed an ANDA for once daily tramadol, with PIV cert’s against two patents.  Purdue sued, and Par counterclaimed that the patents were invalid under 35 U.S.C. § 112 for lack of enablement...

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LIVE EVENTS: MANAGING RISK FOR SUCCESS

This video is being shared with the consent and permission of Mishu Music. Promoters of live events such as festivals and music performances have multiple aspects to coordinate before an event can successfully take place. Without a doubt, experienced promoters...

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Nautilus v. Biosig – The Supreme Court Clarifies the Clarity Requirement

Contact the author: Andrew Berks Nautilus, Inc. v. Biosig Instr.. Inc., No. 13-369 (S. Ct. 6/2/2014) Opinion by Ginsburg. The definiteness requirement, 35 U.S.C. §112(b) (AIA, effective 9/12/2012; previously §112 second para.) requires that a patent  “specification shall conclude with one or...

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Donepezil: Teva has standing in declaratory judgement action that it doesn’t infringe listed patents

Teva Pharms. USA Inc. v. Eisai Co., Ltd., No. 2009-1593 (Fed. Cir. 10/6/2010). Ranbaxy was first-filer (pre-MMA) for donepezil of an ANDA with a "paragraph IV" certification, and Teva was a subsequent filer with a paragraph IV certification. Teva obtained...

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Federal Circuit Issues Two § 156 Decisions

On Monday, May 10, 2010, the Federal Circuit issued two decisions dealing with 35 U.S.C. § 156 (patent term extension to compensate for regulatory delays). In Ortho-McNeil Pharmaceutical, Inc. v. Lupin Pharmaceuticals, Inc., No. 2009-1362 (Fed. Cir. 5/10/2010) (Judges Newman,...

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Billups-Rothenberg – Another Biotech Patent Invalid for Lack of Written Description

In Billups-Rothenberg, Inc. v.  Assoc'd Regional Univ. Pathologists, Inc., No. 2010-1401 (Fed. Cir. 4/29/2011), U.S. Patent Nos. 5,674,681 (the ’681 patent) and 6,355,425 (the ’425 patent) describe genetic tests for Type I hereditary hemochromatosis, an iron disorder characterized by excessive iron absorption...

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Centocor human antibody claims invalidated for lack of written description

Centocor Ortho Biotech Inc. v. Abbott Labs., No. 2010-1144 (Fed. Cir. 2/23/2011) (opinion by Prost). Centocor sued Abbott for patent infringement alleging that Abbott’s Humira® antibody infringes US Patent No. 7,070,775. The jury rejected Abbott's  defense that the asserted claims were invalid,...

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