Last month I checked in on a discovery dispute regarding the timeliness of disclosing noninfringing alternatives (NIAs) in a case with only two rounds of expert reports. I noted that the problem (defendant waiting until the...more
The interplay between contentions and expert reports in a patent case always requires considered judgment. The common sense rule that an expert may “expand on” but not “deviate from” a party's contentions is easy to say but...more
A patent challenger identified a witness as a person with relevant knowledge in Rule 26(a) disclosures and interrogatory responses, and the patentee deposed the witness. Surely the witness can testify at trial, right? The...more