The Federal Circuit upheld a Miami jury’s finding that inMusic Brands Inc. infringed a set of electronic drum and cymbal patents owned by Roland Corp. while wiping out the $4.6 million award and ordering a retrial on damages Thursday.
The appeals court declined to order a retrial of the infringement case or reverse the jury’s 2022 verdict, which found Roland’s four patents werevalid. But the three-judge panel took issue with the testimony on which jurors based the lost profits and reasonable royalty amounts they awarded Roland.
Specifically, Judge Raymond T. Chen’s opinion said Roland hadn’t shown that the $2.7 ...
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