When we last discussed patent laches here, the Federal Circuit had voted to rehear, en banc, SCA Hygiene Products’ patent infringement claim, which invoked a laches defense. At that time, the Supreme Court had recently...more
The United States Patent and Trademark Office recently amended 37 C.F.R. § 42.11 to include a certification requirement similar to that of Rule 11. Section 42.11 prescribes the duty of candor owed to the Patent Office. As...more
In the latest iteration of Ohio Willow Wood Company[1] (OWW), the Federal Circuit upheld a district court ruling of inequitable conduct against OWW despite the presence of a litigation screen. The Federal Circuit had affirmed...more