USPTO Acting Director Coke Morgan Stewart recently issued a decision discretionarily denying five petitions for inter partes review (IPR) filed by iRhythm against patents owned by Welch Allyn based on a factor that had not...more
In a recent opinion, the Federal Circuit added several new wrinkles to amendment practice in inter partes review proceedings. The court affirmed the Patent Trial and Appeal Board’s determination that most of the original...more
A recent Federal Circuit opinion clarified that patent owners carry the burden of proving that inter partes review (IPR) estoppel applies to invalidity grounds not included in their IPR petitions. The Federal Circuit also...more
The Patent Trial and Appeal Board recently granted the institution of an inter partes review in Samsung Electronics Co. v. Staton Techiya, LLC, despite the existence of a parallel proceeding in the US District Court for the...more
The US Patent Trial and Appeal Board on December 23, 2021, instituted an inter partes review even though an unrelated party had already unsuccessfully challenged the validity of the patent in district court. In the decision...more