Litigation

Parus Holdings, Inc. v. LG Electronics, Inc. et al.

consolidated into 6:19-cv-00432-ADA; later refiled/relocated as 3:20-cv-05896

6:19-cv-00437-ADA

Court: U.S. District Court for the Western District of Texas, Waco Division
Filed: 2019-07-23

Patents at issue (2)

Plaintiffs (1)

π Parus Holdings, Inc.

Defendants (2)

Summary

Parus filed an infringement action asserting U.S. Patent 7,076,431 and U.S. Patent 9,451,084. This LG dispute was consolidated into 6:19-cv-00432-ADA and later moved out of the Texas consolidation to a refiled N.D. Cal. action.

Case overview & background

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Key legal developments & outcome

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In the news

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Plaintiff representatives

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Record id: 7076431-6-19-cv-00437-ada · edit in Admin

Further reading

The patent litigation lifecycle
Most patent cases never reach trial. A defendant who understands the lifecycle makes better decisions about when to fight, when to settle, and when to invest in IPR — instead of overspending on whatever phase they happen to be in.
Most-litigated US patents: 12 patents that defined the patent troll era
If a demand letter lands on your desk citing one of these, you are not the first. The campaign playbook is on file. The defenses other defendants used are public record.
What it costs to get a patent (AIPLA Economic Survey)
A US utility patent costs a median of $8,000-$12,000 in attorney fees to draft and file, depending on the technology — before USPTO fees, before drawings, and before the first office action. Here's the full bill, and why it's a rounding error next to enforcing the thing.
KSR International v. Teleflex (2007)
Pre-KSR, an obviousness rejection required explicit teaching, suggestion, or motivation in the prior art. Post-KSR, common sense, design needs, and predictable variations all do the work — and most patents don't survive.
Anatomy of a shakedown: how a patent troll campaign actually works
A patent troll demand letter isn't a lawsuit. It's the output of an industrial process designed to extract money at scale, calibrated to your defense costs, and dependent on you not coordinating with the other 199 targets in the same campaign.

All resources →