In one of its first precedential opinions of the new year, the US Court of Appeals for the Federal Circuit held that a claim using “comprising” as a transition phrase followed by a limitation ...

In patent lingo, the “transitional phrase” is the term or phrase that links the preamble of a claim to the body of the claim. The USPTO’s Manual of Patent Examining Procedure explains the meaning of ...

This essay is based on testimony delivered November 29, 2023, before the Congressional Subcommittee on Environment, Manufacturing and Critical Materials, House Committee on Energy and Commerce. It is ...

Xiaoying Wu and Stephen Zou of Lung Tin explain the meaning and evolution of transitional phrases in patent cases in China An invention is defined by patent claims, which are often compared to ...