Gautam S.Vaidyanathan


Irvine + 1.949.553.7598

Gautam Vaidyanathan's practice is focused on M&A, corporate governance, general corporate and securities matters, and venture capital transactions. He advises public and private companies on domestic and cross-border mergers, acquisitions, and divestitures of all sizes.

Gautam represents clients from a broad range of industries, including biopharmaceutical, medical device, pharmaceutical, technology, energy, telecommunication, and retail. Representative clients include AbbVie, Advantage Solutions, Ambry Genetics, Celgene Corporation, Cylance, Educational Testing Service, the Internet Corporation for Assigned Names and Numbers (ICANN), Grindr, Hitachi Vantara, Hookit (SponsorHouse), Itron, JTC, Linear Technology, Misonix, Sumitomo Dainippon Pharma Co., TDK Corporation, Total, Verimatrix, and Western Digital Corp.

Recent representations include Linear Technology's $14.8 billion sale to Analog Devices; Sumitomo Dainippon Pharma's $3 billion acquisition of late-stage biopharma companies from Roivant Sciences; Cylance's $1.4 billion acquisition of BlackBerry Limited; TDK Corporation's $1.3 billion acquisition of InvenSense; Ambry Genetics' $1 billion sale to Konica Minolta; Itron's $830 million acquisition of Silver Spring Networks; Inside Secure's $145 million acquisition of Verimatrix; Educational Testing Service's $127.5 million acquisition of Questar Assessment; JTC's $116 million acquisition of NES Financial; Misonix's $109 million acquisition of Solsys Medical; Advantage Solutions' acquisitions of The Data Council, Quiverr Collective, and Upshot; and Hookit's raise of capital in its Series C round.


  • Sumitovant Biopharma acquires remaining stake in Urovant SciencesJones Day is advising Sumitovant Biopharma in its acquisition of all of the outstanding shares of Urovant Sciences Ltd. not already owned by Sumitovant at a price of $16.25 per share in cash.
  • Furukawa Electric and Superior Essex global joint venture finalizedJones Day advised Furukawa Electric Co., Ltd. in its finalization of a global joint venture with Superior Essex Inc.
  • Celularity sold UltraMIST® Ultrasound Therapy wound care assets to SANUWAVE Health, Inc.Jones Day advised Celularity Inc., a New Jersey based venture-backed biotechnology company, in the sale of its UltraMIST® Ultrasound Healing Therapy wound care assets to SANUWAVE Health, Inc. (OTCQB: SNWV).
  • Grindr sold to San Vicente Acquisition LLC for $608 millionJones Day advised Grindr in its $608 million sale by Beijing Kunlun Tech Co Ltd of substantially all of the equity interests in Grindr Inc. to San Vicente Acquisition LLC.
  • JTC acquires NES Financial for up to $116 millionJones Day advised JTC PLC in the acquisition of NES Financial, a technology-enabled provider of specialist fund administration and treasury services recognized on the San Francisco Business Times top Bay Area fintech list, for up to $116 million.
  • Hitachi Vantara acquires Waterline Data, Inc.Jones Day advised Hitachi Vantara LLC, a wholly owned subsidiary of Hitachi, Ltd., in its acquisition of all of the assets of Waterline Data, Inc., a U.S.-based company that provides intelligent data cataloging solutions for DataOps that help customers more easily gain actionable insights from large datasets and comply with data regulations.
  • Sumitomo Dainippon Pharma acquires late stage biopharma companies and forms alliance with Roivant Sciences Ltd. worth $3 billionJones Day advised Sumitomo Dainippon Pharma Co., Ltd. ("Sumitomo") in an acquisition of late stage biopharma companies and formation of alliance with Roivant Sciences Ltd.
  • Western Digital sells IntelliFlash™ business to DataDirect Networks, Inc. (DDN®)Jones Day advised Western Digital Corp. in the sale of its IntelliFlash™ business to DataDirect Networks, Inc. (DDN®), a global leader in artificial intelligence (AI) and multi-cloud data management.
  • Misonix acquires Solsys Medical, LLC for $109 millionJones Day advised Misonix, Inc. in its acquisition of Solsys Medical, LLC, a privately held regenerative medical company, in an all-stock transaction valued at approximately $109 million.
  • AbbVie acquires MavupharmaJones Day advised AbbVie Inc. in its acquisition of Seattle-based Mavupharma, a privately held biopharmaceutical company focused on novel approaches to target the STING (STimulator of INterferon Genes) pathway for the treatment of cancer.
  • Inside Secure acquires Verimatrix for approximately $145 millionJones Day advised Inside Secure in its all cash acquisition of Verimatrix, Inc. for up to approximately $145 million in cash (including a potential earn-out).
  • Cylance acquired by BlackBerry for $1.4 billionJones Day advised Cylance, an artificial intelligence and cybersecurity leader, in its $1.4 billion acquisition by BlackBerry Limited, plus the assumption of unvested employee incentive awards.
  • Advantage Solutions acquires Jun GroupJones Day advised Advantage Solutions on its acquisition of Jun Group, an industry-leading mobile video advertising company.
  • Total invests in Clean Energy Fuels Corp.Jones Day represented Total S.A., a French multinational integrated oil and gas company, in connection with its purchase of 25 percent of Clean Energy Fuels Corp., a leading provider of natural gas fuel and renewable natural gas fuel for transportation in North America, for $83.4 million, and the credit support to be provided by Total of up to $100 million.
  • Syndicate of financial institutions provide $500 million credit facility to California developerJones Day represented a syndicate of financial institutions in connection with a $500 million unsecured credit facility, comprised of a $350 million revolving facility and $150 million term loan, provided to a California developer.
  • Itron acquires Silver Spring Networks for $830 million, net of $118 million of Silver Spring's cashJones Day advised Itron, Inc. (NASDAQ: ITRI) in its acquisition of Silver Spring Networks, Inc. (NYSE: SSNI) by acquiring all outstanding shares of Silver Spring Networks, Inc. (NYSE: SSNI) for $16.25 per share in cash.
  • Ambry Genetics sold to joint venture formed by Konica Minolta and Innovation Network for up to $1.0 billionJones Day advised Ambry Genetics Corporation, a leading genetic testing corporation, in its sale to a newly formed joint venture between Konica Minolta, Inc. and Innovation Network Corporation of Japan for up to $1.0 billion (including earnouts).
  • Hookit raises capital in Series C roundJones Day represented Hookit, a leading sponsorship analytics and valuation platform, in connection with the sale and issuance of $16 million of Series C Preferred Stock and concurrent tender offer to the holders of its junior preferred securities.
  • Advantage Solutions acquires The Data CouncilJones Day advised Advantage Solutions in the acquisition of The Data Council, the leading provider of verified and standardized product data and images.
  • Advantage Solutions acquires QuiverrJones Day advised Advantage Solutions in its acquisition of Quiverr Collective, LLC.
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