Tag: prosecution laches
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Hyatt v. Stewart: Prosecution Laches Survives—and Article III Still Matters—in §145 Actions
The Federal Circuit’s August 29, 2025 decision in Hyatt v. Stewart brings a long-running saga back to a firm stopping point. Once again, the court affirmed that the United States Patent and Trademark Office may rely on prosecution laches to defeat long-delayed patent applications, even when those applications are pursued through a civil action under…