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Power Integrations Inc. v. Fairchild Semiconductor International Inc. et al

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Case overview

Case Number:




Nature of Suit:


28:1338 Patent Infringement


Leonard P. Stark



Sectors & Industries:

  1. November 9, 2018

    Fairchild Owes Rival $24M For Tech Patent Infringement

    A Delaware jury awarded Power Integrations Inc. more than $24 million in damages Friday after finding that competitor Fairchild Semiconductor International willfully infringed its patents for frequency jitter technology and induced third parties to infringe the patents as well.

  2. November 5, 2018

    Power Integrations Seeks $21M In Damages In Del. IP Trial

    Semiconductor maker Power Integrations Inc. laid out its case Monday for more than $21 million in damages during the first day of a Delaware federal court trial over claims that competitor Fairchild Semiconductor International willfully infringed two patents and induced third parties to import products using the infringing microchips to the U.S.

  3. October 26, 2018

    Del. Trial Looms On Remanded Fairchild Infringement Claim

    A 14-year-old, multi-forum battle over Fairchild Semiconductor's alleged infringements of Power Integrations Inc. chip patents moved toward its latest eruption in Delaware on Friday, with a pretrial conference hashing out disputes over testimony, witnesses, evidence and other issues for a five-day trial on remanded inducement claims, set to begin Nov. 5.

  4. January 13, 2015

    Judge Junks Claims That Fairchild Lied In Patent Trial

    A Delaware federal judge on Tuesday refused to set aside a jury’s 2012 finding that Power Integrations Inc. infringed a Fairchild Semiconductor Inc. patent, ruling Power Integrations waited too long to argue that new evidence showed Fairchild offered false testimony and thus lied at trial.

  5. January 5, 2015

    Fairchild Blasts Power Integrations' Lying Claim In Patent Trial

    Fairchild Semiconductor Inc. on Monday slammed accusations from rival Power Integrations Inc. that it offered false testimony at trial leading to a jury’s 2012 finding that Power Integrations infringed a Fairchild patent, arguing the bid to overturn the Delaware jury verdict was factually wrong and procedurally improper.

  6. November 26, 2014

    Power Integrations Says Fairchild Lied In Patent Trial

    Power Integrations Inc. on Wednesday urged a Delaware federal judge to overturn a jury’s 2012 ruling that it infringed a patent held by rival Fairchild Semiconductor Inc., arguing new evidence shows Fairchild offered false testimony at the trial.

  7. June 30, 2014

    Fairchild Banned From Selling PI-Infringing Computer Chips

    A Delaware federal judge on Monday permanently barred Fairchild Semiconductor Inc. from selling computer chips that infringe three of rival Power Integrations Inc.'s patents on energy-efficient power supplies, finding that allowing Fairchild to continue those sales would permanently harm Power Integrations' bottom line.