Patent Validity Claim Construction

News & Analysis as of

Can You Be Reasonably Certain a Water Balloon Is Substantially Filled? Indefiniteness in Tinnus v. Telebrands

In Tinnus Enterprises, LLV v. Telebrands Enterprises (Fed. Cir. 2016-1410), the CAFC considered whether a claim requiring that a container (think water balloon) be “substantially filled” was indefinite under 35 USC §112....more

PTAB Grants Rare IPR Request for Rehearing in WesternGeco LLC v. PGS Geophysical AS

The PTAB recently granted a request for rehearing and modified the final written decision in WesternGeco LLC v. PGS Geophysical AS, IPR2015-00313, Paper 43 (P.T.A.B., Feb. 3, 2017). This is an extremely rare event....more

Apotex’s Infringement of AstraZeneca’s Omeprazole Formulation Patent Upheld

The Federal Court of Appeal, in a unanimous decision released on January 12, 2017 (2017 FCA 9), has affirmed the validity of AstraZeneca’s Patent No. 1,292,693. The patent covered AstraZeneca’s successful product, LOSEC, for...more

Federal Circuit Rejects Patentee’s Effort to Narrow Claim Scope

One wrinkle of IPR practice is that patentees are often in the position of advocating a narrower claim scope than the challenger — just the opposite of what is usually seen in district court litigation. The narrowing...more

PTO Must Apply Phillips Standard when Construing Expired Patents **WEB ONLY**

In an opinion addressing the standard for claim construction of a patent that expires during reexamination, the US Court of Appeals for the Federal Circuit upheld the Patent Trial and Appeal Board’s (PTAB’s or Board’s)...more

PTAB Refusal to Permit Claim Amendments Remanded

Addressing the standard for granting a motion to amend claims in inter partes review (IPR), the US Court of Appeals for the Federal Circuit rejected a conclusion by the Patent Trial and Appeal Board (PTAB or Board) that the...more

Substantial Evidence Supported Infringement of Limitations That Did Not Need Construction

In Lifenet Health v. Lifecell Corporation, [2015-1549](September 16, 2016) the Federal Circuit affirmed the district court’s judgment that the claims of U.S. Patent No. 6,569,200 on plasticized soft tissue grafts suitable for...more

Construing Markush Group Claims

In Multilayer Stretch Cling Film v. Berry Plastics, the Federal Circuit provided a detailed discussion of the construction of claims that use Markush group language. The decision emphasizes the closed nature of the...more

Canons of Claim Construction to the Rescue

In Ruckus Wireless, Inc. v. Innovative Wireless Solutions, LLC, [2015-1425, 2015-1438] (May 31, 2016), the Federal Circuit affirmed the district court’s claim construction and resulting judgment of non-infringement. At...more

Reversal of Narrow Claim Construction Results in Satisfaction of Claim Element (Avid Technologies, Inc. v. Harmonic, Inc.)

Addressing the standard to establish a “clear and unmistakable” disclaimer of claim scope during prosecution, the U.S. Court of Appeals for the Federal Circuit reversed the district court’s narrow claim construction and...more

Top Stories of 2015: #6 to #10

After reflecting upon the events of the past twelve months, Patent Docs presents its ninth annual list of top patent stories. For 2015, we identified twenty stories that were covered on Patent Docs last year that we believe...more

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