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Carter, DeLuca & Farrell LLP, a leader in intellectual property law, provides cost-effective services to clients from around the world, protecting innovations in a wide range of technologies.

Throughout the phases of product or brand development, we form a critical part of our clients’ development teams to provide preparation, prosecution and clearance services to maximize protection while navigating through freedom-to-operate challenges. We also provide extensive IP due diligence services and IP asset assimilation to help our clients achieve their business objectives.

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CAFC Update

PHARMA TECH SOLUTIONS, INC. v. LIFESCAN, INC. November 22, 2019

Pharma Tech sued LifeScan for infringement of its U.S. Patent Nos. 6,153,069 and 6,413,411, which concern blood glucose monitoring systems for home use by individuals with diabetes. After Pharma Tech dismissed its literal infringement allegations, LifeScan filed a motion for summary judgment of no infringement under the doctrine of equivalents, and the district court held that amendment-based prosecution...

Pharma Tech sued LifeScan for infringement of its U.S. Patent Nos. 6,153,069 and 6,413,411, which concern blood glucose monitoring systems for home use by...

IN RE IPR LICENSING, INC.

This case returns to the CAFC after remand to the Patent Trial and Appeal Board (“the Board”). In a previous appeal, the CAFC affirmed the Board’s findings that certain claims of IPR Licensing’s U.S. Patent 8,380,244 (relating to a “subscriber unit,” e.g., a mobile device, that can automatically select the best available wireless network and then connect...

This case returns to the CAFC after remand to the Patent Trial and Appeal Board (“the Board”). In a previous appeal, the CAFC...

TQ DELTA, LLC v. CISCO SYSTEMS, INC.

In a pair of inter partes review proceedings brought by Cisco, the PTAB invalidated all claims of two of TQ Delta’s patents relating to improvements to electronic communications systems that lower the peak-to-average power ratio (PAR) of the transmitted signals in multicarrier communications systems, such as digital subscriber line (DSL) systems. The CAFC holds that the Board’s factfinding regarding...

In a pair of inter partes review proceedings brought by Cisco, the PTAB invalidated all claims of two of TQ Delta’s patents relating to improvements...