Attacking Individual References of an Obviousness Combination

In re: CSP Technologies (Fed. Cir., Jan. 21, 2021) is a nonprecedential opinion that nevertheless provides us with a good excuse to discuss In Re Keller, 642 F.2d 413 ( CCPA 1981) which is cited from time-to-time by Examiners duri… Read More

Does a “Plurality A, B, and C” Require More than One A, More than one B, and More than One C?: An Interpretation of Disjunctive and Conjunctive Phrases

SIMO Holdings v. Hong Kong uCloudlink Network (Fed. Cir., Jan. 5, 2021) is a precedential opinion that touches on an interesting claim interpretation topic regarding disjunctive and conjunctive phrases.  Independent claim 8 is at… Read More

Adjectives in Claim Construction

Comcast Cable Communications v. Promptu Systems Corporation (Fed. Cir., Jan. 4, 2021) is a nonprecedential opinion but nevertheless still provides an example of claim construction based on a modifying adjective.  The Appellant ap… Read More

Another Example of Claim Differentiation

Claim differentiation was one factor that led the Federal Circuit to affirm the PTAB’s claim construction in the appealed IPR in Realtime Data, LLC v. Iancu (Fed. Cir., Appeal No. 2018-1154, decided Jan. 10, 2018).  This case… Read More

“At Least One Piece” Can Mean the Whole Thing

The Federal Circuit held that the broadest reasonable interpretation of “at least one piece” of a computer file can include the entire computer file in the absence of further limitation in the claim or definition in the specif… Read More