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Federal Circuit Affirms Obviousness of Rifaximin Polymorph Patents and Denial of Motion to Modify Judgment After Post-Trial...

In a precedential opinion issued on April 11, 2024 in Salix Pharmaceuticals, Ltd. v. Norwich Pharmaceuticals Inc., Nos. 22-2153, 23-1952, the U.S. Court of Appeals for the Federal Circuit affirmed the U.S. District Court for...more

Federal Circuit Clarifies That Secondary Considerations Must Be Considered Both Individually And As A Whole In An Obviousness...

On August 24, 2023, the U.S. Court of Appeals for the Federal Circuit, in Volvo Penta of the Ams. LLC v. Brunswick Corp., Case No. 22-1765, vacated a Final Written Decision of the Patent Trial and Appeal Board (PTAB) holding...more

Patent Owner Tip #17 for Surviving an Instituted IPR: Alternatives to Motions to Amend in IPR Proceedings

After an inter partes review (“IPR”) is instituted, a patent owner may move to amend challenged claims to overcome the prior art. However, there are also alternative paths to amending claims over the prior art even after an...more

Nonobviousness of Commercially Successful Designs: Mmm, Mmm, Not So Fast

It is said that Andy Warhol painted the famous Campbell’s Soup Cans after an art gallery proprietor told him to paint “something you see every day and something that everybody would recognize.” While Mr. Warhol’s Campbell’s...more

Tip #6 for Avoiding IPR Institution: Advocate Claim Constructions the Petition Ignored

Arguing against material constructions proffered by an IPR petition is a basic building block of the patent owner’s preliminary response. Obviously, patent owners must investigate and advocate for claim constructions for...more

Tip #5 for Avoiding IPR Institution: Policing KSR’s motivation requirement for the ‘how’ and ‘why’.

Building on Tip #4, one effective way to avoid institution and not address facts is to point out shortcomings in the petition's application of KSR when asserting motivation to combine for an obviousness analysis. The Patent...more

Tip #3 for Avoiding IPR Institution: Use Disclaimers Strategically

Under U.S. patent law, “No inter partes review will be instituted based on disclaimed claims.” 37 C.F.R. § 42.107(e). And petitioners only need to demonstrate a reasonable likelihood of prevailing with respect to one...more

Filling the Hole with Common Sense: When Evidentiary Support is Adequate

The Federal Circuit recently reaffirmed a case where common sense was used to supply a missing element in a § 103 obviousness analysis. On June 26, 2020, the Federal Circuit issued a decision in B/E Aerospace, Inc. v. C&D...more

Federal Circuit Reverses PTAB Finding Tarceva® Method of Treatment Claims Invalid for Lack of Reasonable Expectation of Success...

In a precedential opinion on October 4, 2019, the United States Court of Appeals for the Federal Circuit, in OSI Pharmaceuticals v. Apotex, No. 2018-1925, reversed the Board’s Final Written Decision in an inter partes review...more

Federal Circuit Upholds Trade Show Catalog As Prior Art in Nobel Biocare Servs. AG v. Instradent USA, Inc.

Recently in Nobel Biocare Services AG v. Instradent USA, Inc., the Federal Circuit affirmed a decision of the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (“the Board”) in an inter partes review (“IPR”)...more

Federal Circuit Clarifies the Requirements for a Teaching Away by the Prior Art

In a precedential opinion issued on October 11, 2017, the United States Court of Appeals for the Federal Circuit reversed the Patent Trial and Appeals Board’s (“PTAB”) finding of non-obviousness where the prior art taught...more

General Plastic Industrial Co. v. Canon Kabushiki Kaisha: PTAB Explains Factors Considers for Follow-On Petitions

On September 6, 2017, an expanded panel of the Patent Trial and Appeal Board issued an “informative” decision in General Plastic Industrial Co., Ltd, v. Canon Kabushiki Kaisha setting forth the Board’s framework for analyzing...more

Federal Circuit Reverses PTAB’s Holding of Anticipation Despite an Element Missing from the Prior Art

On March 14, 2017, the United States Court of Appeals for the Federal Circuit clarified, in a precedential opinion, that an anticipating reference must supply all of the claim elements, regardless of what a person of skill in...more

Federal Circuit Reiterates That Patent Prosecution Disclaimers Must Be “Clear and Unmistakable”

On March 3, 2017, the United States Court of Appeals for the Federal Circuit reaffirmed, in a precedential opinion, that prosecution disclaimers may only limit the scope of a claim where the disclaimer is “both clear and...more

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