Posts Tagged: laches


A Brief History of Laches in Patent Law

The equitable doctrine of laches has existed in the United States court system since the founding of this country, originating from the English Courts of Equity. Laches …
By Audrey Ogurchak
5 years ago 3

CAFC: Defendant had no notice of intent to pursue patent rights in US after foreign proceedings

Each week, we succinctly summarize the preceding week of Federal Circuit precedential patent opinions. We provide the pertinent facts, issues, and holdings. Our Review allows you to …

Federal Circuit en banc rules Laches Remains Defense in a Patent Infringement Suit

Despite the Supreme Court ruling that laches is no defense to a copyright infringement action brought during the statute of limitations, the Federal Circuit ruled laches can …

The Risk of Sleeping on Your Patent Rights

While this patent statute of limitations is an extraordinarily long statute of limitations by legal standards there is another very important piece to the puzzle that needs …
By Gene Quinn
11 years ago 16

Time Bomb: CAFC Says Threat + Waiting 3 Years = Estoppel

After first “threatening,” then being “silent” for over three years, the patentee in Aspex Eyewear was barred by the defense of equitable estoppel from getting any relief …
By Eric Guttag
11 years ago 2