patent claim interpretation

Claim Term “Important” Leads to Indefiniteness

The Eastern District of Texas recently invalidated several patent claims that the court had found indefinite in a separate claim construction ruling in the case Uniloc 2017 v. Samsung. Interestingly, the court found the claim term… Read More

The Federal Circuit on Claim Construction and Indefiniteness

In the recent case Intellectual Ventures I LLC v. T-Mobile USA, Inc., the Federal Circuit overturned a district court’s claim construction for reading in a limitation and upheld the district court’s invalidation for indefinite… Read More

Not All Patent Prosecution Disclaimers Are Broadly Construed

Not all patent prosecution disclaimers are broadly construed; rather, in construing patent claim terms disclaimers must be closely aligned to actual arguments made during prosecution.  On March 3, 2017 the Federal Circuit in Tech… Read More

PTAB: BRI of Method Claim Requires Conditional Limitation

Thirty-five PTAB decisions cite Ex parte Schulhauser since that case was designated precedential in October 2016.  Of those thirty-five decisions, all except for one held that the broadest reasonable interpretation of a method cl… Read More