Peregrine Semiconductor Corp., a Delaware corporation v. RF Micro Devices Inc., a North Carolina corporation
Published: Feb. 1, 2014 | Result Date: Jan. 8, 2014 | Filing Date: Jan. 1, 1900 |Case number: 3:12-cv-00911-H-WMC Bench Decision – Preliminary Injunction Denied
Court
USDC Northern
Attorneys
Plaintiff
Robert T. Haslam
(Covington & Burling LLP)
Defendant
Charles K. Verhoeven
(Quinn, Emanuel, Urquhart & Sullivan LLP)
Andrew B. Holmes
(Holmes, Taylor, Athey, Cowan & Jones LLP)
Robert N. Kang
(Kirkland & Ellis LLP)
Sean S. Pak
(Quinn Emanuel Urquhart & Sullivan LLP)
Facts
Peregrine Semiconductor Corp. owned several patents, including United States Patent No. 7,910,933, No. 7,123,898, No. 7,460,852, No. 7,796,969, and No. 7, 860,499. The various patents all covered advanced integrated circuit technologies for use in radio frequency circuits. These circuits could be used for a wide variety of purposes, including antenna-tuning circuits.
Peregrine filed suit against RF Micro Devices Inc., alleging that it had infringed on these patents.
Contentions
PLAINTIFF'S CONTENTIONS:
Peregrine claimed that RF infringed on each of the five patents, by making products that used certain integrated circuits covered by the patents. Peregrine moved for a preliminary injunction against RF, preventing it from continuing to infringe.
DEFENDANT'S CONTENTIONS:
RF denied infringing upon the patents, and asserted various affirmative defenses.
Result
The court denied Peregrine's request for a preliminary injunction, finding that Peregrine had not proven that an injunction was warranted.
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