EDITORIAL NOTE: What follows is an excerpt from the latest edition of Rules for Patent Drafting: Guidance from Federal Circuit Cases, 2017 Edition, which will be released the week of May 10, 2017.

“The Patent Trial and Appeal Board has slowly been chipping away at [the USPTO’s] limited reading of In re Maatita.” Disclosure: The authors of this article represented the Applicant, PUMA SE, in the ...

The definiteness requirement of Section 112(b) of the Patent Act mandates that claims "particularly point[] out and distinctly claim[] the subject matter which the inventor or a joint inventor regards ...

The surprise of the day Monday was the issuance of not one but two opinions from the April argument calendar – unanimous opinions in the two patent cases with which the Court closed the Term. Nautilus ...