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 ...

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Eye Therapies v. Slayback offers a concerning example of the Federal Circuit departing from well-established patent claim construction doctrine. In this case, the court abandoned the standard ...

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 ...