• 米国のセミコンダクター会社を代理して、日本企業に対する特許訴訟の遂行
  • 日本のバイオ・テクノロジー関連企業を代理した共同研究開発契約及び各種ライセンス契約の作成及び交渉サポート
  • 検索エンジンサイトを代理した様々なインターネットや電子商取引関連取引の法的アドバイス、法改正にまつわる利用規約、プライバシー・ポリシーの整備
  • アメリカの会社を代理した商標権取得交渉
  • コンピュータ関連の会社に対する各種コンピュータ関連の著作権に関する法的アドバイス



Allergan, Inc.

O’Melveny prevailed at trial on behalf of Allergan in a trade secrets case, securing a rare “head start” injunction. Read


We successfully defended Broadcom against allegations that it infringes four patents owned by American Radio LLC involving reconstruction of radio frequency signals. Read

Mentor Graphics Corporation

O’Melveny secured another victory for Mentor Graphics Corp., a maker of electronic design automation software and hardware, when a Federal Circuit panel affirmed a US$36 million verdict and a permanent injunction against Synopsys Inc. in a long-running patent dispute.


Quiksilver, Inc.

O’Melveny prevailed at trial for clients Quiksilver and QS Wholesale, Inc. (Quiksilver), in a trademark case filed against volleyball uniform maker Rox Volleyball Inc. Read


We prevailed for Samsung Electro-Mechanics, Co. Ltd. in an important patent infringement trial before the International Trade Commission.



O’Melveny achieved a jury victory for Semtech subsidiary Triune Systems in trade secret litigation in Texas state court. Triune was the plaintiff in the complicated case, which covered more than 70 asserted trade secrets. Read

SK hynix Inc.

O’Melveny helped SK hynix Inc. (formerly Hynix Semiconductor) obtain a favorable settlement in long-running patent and antitrust litigation with Rambus, Inc. The 13-year dispute involved litigation on two continents, in multiple trial courts, multiple appellate proceedings and litigation before multiple agencies.


Top Victory Electronics

O’Melveny obtained a major jury trial victory in April 2013, prevailing on every issue at stake for long standing client Top Victory Electronics (Taiwan) Co., Ltd. (TPV) in a patent infringement dispute against Hitachi Consumer Electronics Co. Read

Twentieth Century Fox Television

When Twentieth Century Fox faced a multi-million-dollar demand over the use of “Empire” as the title for its hit drama television series, it turned to O’Melveny to protect the use of the name and fight alleged trademark violations. Read

Warner Bros. Entertainment Inc.

O’Melveny helped Warner Bros. Entertainment Inc. and its subsidiary DC Comics resolve a long running dispute over copyrights to the Superman character. Read