Ronald Wynn

Ronald S. Wynn


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Intellectual Property
Intellectual Property
San Francisco

Ron specializes in patent infringement, trade secret, and other intellectual property litigation. Ron has litigated high-stakes patent, trade secret, antitrust, copyright, trademark, false advertising, and employee unfair competition cases for more than two decades. He has substantial TRO, preliminary injunction and trial experience in federal and state courts, and US and international arbitration. Ron has IP litigation experience in numerous technology fields, including telecommunications, network equipment, digital video, RFID and memory devices, media-newspapers, medical devices, software and electronics, as well as the financial services sector. Ron's litigation expertise also includes technology license, commercial contract, and other complex business litigation.

Drawing on his experience as Vice President, General Counsel, and executive team member for a North Bay network equipment start-up, Ron also advises companies on IP management, technology licensing, contract negotiation, and other transactions.

Before joining Hanson Bridgett, Ron was an IP litigation partner in Brobeck, Phleger & Harrison for eleven years, Vice President-General Counsel for Turin Networks, Inc., and a patent litigator at Howrey LLP.

Representative Work

BigBand Networks, Inc. v. Imagine Communications, Inc. Currently defending start-up Imagine against claims for infringement of switched digital video and video compression patents. USDC D.Del.

Allflex USA, Inc. v. AVID Identification Systems, Inc. Defended Allflex USA against claims for infringement of multiple RFID and EEPROM patents. Eliminated three of five patents-in-suit by summary judgment, and two others by litigation-compelled covenants not to sue. Obtained Federal Circuit affirmance of a related inequitable conduct ruling, and prosecuted Sherman Act claims based on patent misuse. USDC CDCal.

Alcatel USA, Inc. v. Advanced Fibre Communications, Inc. Defended claims for patent infringement and trade secret misappropriation, and prosecuted antitrust and unfair competition counterclaims. Defeated applications for TRO and preliminary injunctive relief, obtained jurisdiction-based dismissal of the trade secret claims, and won summary judgment against the patent claims. USDC EDTex.

DSC Communications Corp. v. Advanced Fibre Communications, Inc. Represented Advanced Fibre in cross-actions for trade secret misappropriation, antitrust violations, unfair competition, and related claims. California-based AFC was a start-up founded by former DSC employees to develop a competitive digital loop carrier system for the telecommunications industry. Obtained highly favorable settlement mid-way through an East Texas jury trial enabling AFC to conduct a successful IPO. USDC EDTex.

High Technology Careers v. San Jose Mercury News. Defended San Jose Mercury News against Sherman Act antitrust and unfair competition claims stemming from Mercury News' refusal to distribute competitive employment advertising publication. Won defense verdict after an eight week jury trial. The Ninth Circuit affirmed on appeal. USDC NDCal.

Diasonics, Inc. v. Acuson Corp. Prosecuted claims for patent infringement involving phased-array diagnostic ultrasound systems used in cardiology and other medical imaging applications. Won a verdict that Diasonics' patents were valid and infringed after an eight week jury trial. USDC NDCal.

McGrew v. Upper Deck Company, et al. Represented holographic origination manufacturer in defense of patent infringement claims involving laser-based strip multiplexed holography used to produce prestige sports trading cards. Obtained favorable settlement through pre-trial mediation. USDC NDCal.

Advanced Fibre Communications, Inc. v. RELTEC Corp. Represented AFC in prosecution of claims for trade secret theft, tortious interference with technology license, and unfair competition. The lawsuit stemmed from RELTEC's exploitation of technology obtained through a foreign AFC licensee. After jury selection, obtained multi-million dollar settlement for AFC. Sonoma County Superior Court.

Advanced Fibre Communications, Inc. v. Industrial Technology Research Institute et al. Prosecuted claims for trade secret misappropriation and breaches of technology license agreement against a foreign government-sponsored technology research institute, and its affiliate manufacturing companies. The case involved exploitation of AFC's digital loop carrier technology throughout China and Southeast Asia. After two years of intensive litigation, obtained a mediated settlement that provided AFC a multi-million dollar royalty payment, a base for significant future royalties, and reestablished control over AFC's technology. USDC NDCal, EDNY, and AAA International Arbitration.

Advanced Fibre Communications, Inc. v. Acer Nextus, Inc. Prosecuted claims for trade secret misappropriation, copyright infringement, and unfair competition against the telecommunications subsidiary of a major international PC manufacturer. Following an Asia-based sting that confirmed misappropriation, obtained permanent injunction that eliminated Acer from the market, permanently enjoined use of AFC technology, and required destruction of Acer's competitive products and technology. USDC NDCal.

UnitedBanc Investment Services LLC v. Wachovia Securities LLC. Won TRO, preliminary injunction, and favorable settlement for Union Bank and its brokerage subsidiary in action for employee trade secret theft, breach of fiduciary duty, client raiding, and related unfair competition claims. San Francisco Superior Court, FINRA Arbitration.

Hanson Financial Services v. Three Bridge Financial et al. Prosecuted claims for trade secret theft, breach of fiduciary duty, client raiding, unfair competition, and related claims stemming from senior employee defections to competitive start-up financial services firm. Obtained favorable, post-mediation settlement. Marin County Superior Court.

Sun-Flex Company, Inc. v. Novotek Corp. Represented plaintiffs Sun-Flex and Xidex Corporation in action for trade secret misappropriation and unfair competition against spin-off company and former Sun-Flex employees. Obtained temporary, preliminary, and permanent injunctions against misuse of Sun-Flex coating filter technology and customer information.

Not Us Ltd. v. Various John Does, et al. Represented exclusive licensee of rock group U2 in action for copyright, trademark, and Lanham Act violations to prevent unauthorized sale of U2 t-shirts, posters, and similar memorabilia at Bay Area U2 concert. Obtained TRO, preliminary injunction, and concert site, federal marshal-enforced arrest warrants against gray market perpetrators. USDC NDCal.

Stonehenge, Ltd. V. Mulberry Thai Silks, Inc. Represented the Estate of Jerry Garcia (former Grateful Dead guitarist) in action for trademark, copyright, and Lanham Act violations related to sales of "JGarcia" brand neckties. Defeated TRO and preliminary injunction applications. USDC NDCal.


"Supreme Court: New Ruling On Patentable Subject Matter," co-author, Hanson Bridgett IP Alert (March 2012) featured in Bar Association of San Francisco’s iCounsel Newsletter (May 2012)

"Trade Secret Litigation: TROs, Preliminary Injunctions, and Some Things To Think About First," Technology & Intellectual Property Alert (March 2012)

"The America Invents Act: Major Revisions to U.S. Patent Law," Technology & Intellectual Property Alert (September 2011)

"Supreme Court: Actual Knowledge or 'Willful Blindness' to Patent Infringement Required for Inducement Liability," Technology & Intellectual Property Alert (June 2011)

"Supreme Court: Patent Invalidity Must Be 'Clear and Convincing'," Technology & Intellectual Property Alert (June 2011)

"Federal Circuit Tightens Inequitable Conduct Standards in Patent Infringement Cases," Technology & Intellectual Property Alert (May 2011)

See All Publications


"The Current Status of False Patent Marking Law," ExecSense Inc. Webinar (June 2011)

"Whose IP Is This? An Overview of the America Invents Act of 2011 for Early Stage Corporations,” co-presenter, Plug and Play Technology Center (February 2012)

See All Presentations


J.D., University of California, Davis School of Law

B.A., University of California, Los Angeles

Admissions And Courts


U.S. Court of Appeals for the Federal Circuit

U.S. Court of Appeals for the Ninth Circuit

U.S. District Court for the Northern District of California

U.S. District Court for the Central District of California

U.S. District Court for the Southern District of California

San Francisco

415-995-5124 Direct Phone
415-995-3595 Fax

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