August 28, 2017 / 10:37 PM / a year ago

Inventor falters in patent case against U.S. Postal Service

A federal appeals court on Monday brought a likely end to a small company’s lawsuit alleging the U.S. Postal Service’s method of returning undelivered mail infringed on its patent.

The U.S. Court of Appeals for the Federal Circuit affirmed a ruling by the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board that a patent owned by Birmingham, Alabama-based Return Mail Inc on a system of processing undelivered mail was invalid.

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