In its third PGR institution decision, the PTAB provided its first guidance regarding witness testimony to support a showing of prior public use or sale in PGRs. The decision is a cautionary tale that the PTAB strongly prefers corroboration of witness testimony, much like the corroboration required during interference proceedings. This is not a surprise, … Continue Reading
The material contained on this blog is provided for informational purposes only and does not constitute legal advice. Views expressed are those of the author and are not to be attributed to Marshall, Gerstein & Borun LLP or any of its clients. The publication and receipt of any information contained on this blog does not create an attorney-client relationship with Marshall, Gerstein & Borun LLP or with any of its attorneys. Readers should not act upon any information on this site without seeking professional legal counsel.