claim interpretation

Prosecution Disclaimer Pitfalls

In Speedtrack, Inc. v. Amazon.com, Inc. (June 3, 2021), the Federal Circuit affirmed not only the district court’s findings relating to patent infringement, but also the importance of prosecution history when interpreting the c… Read More

Claim Interpretation and Definiteness of Terms of Degree

In Kitsch LLC v. Deejayzoo, LLC (Case No. LA CV19-02556 JAK (RAOx)) the Central District of California interpreted claims of U.S. Patent No. 10,021,930 that included terms of degree as being sufficiently definite under 35 U.S.C. … Read More

Claim Interpretation and the Enablement Requirement

Providing a reminder about how to interpret elements of a patent claim when analyzing the claim against prior art during patent prosecution, in Technical Consumer Products, Inc. v. Lighting Science Group Corp. (April 8, 2020), the… Read More

Ex Parte Jung De-Designated as Informative by PTAB

A previous post discussed Ex parte Jung, which was designated as Informative by the PTAB on July 10, 2018.  In a bulletin posted on August 7, 2018, the PTAB states that: It has come to PTAB’s attention that the decision has… Read More

“At Least One of” Ex Parte Opinion Designated as Informative by PTAB

The PTAB interpreted claim language in the form of “at least one of A and B” to mean at least one of A and at least one of B in Ex parte Dong-Shin Jung et al. (Appeal No. 2016/008290, designated Informative on July 10, 2018).… Read More