With an established presence in the heart of Silicon Valley, as well as offices strategically placed near the other major tech hubs around the world, Simpson Thacher is known as a global technology powerhouse that provides practical legal advice with an appreciation for the nuances and subtleties in the economy’s most complex and fast-changing sector. 
“They are cutting edge, very practical and extremely smart.”
--Chambers USA, quoting a client
Group of the Year
Named a “Technology Practice Group of the Year” by Law360 ​in 2017
Over 1,000 capital markets representations across Technology, Media & Telecom
(​Thomson Reuters​)
$2.7 T
Over $2.7 trillion in transaction value on nearly 1,000 M&A matters across Technology, Media & Telecom
(Thomson Reuters
“Simpson Thacher is one of our ‘go-to’ firms for high-exposure litigation matters.”
--Benchmark Litigation, quoting a client
TechButtons_160x160_2017_360_01Simpson Thacher has led some of the most significant and high profile tech matters in recent history, including acquisitions, financings, IPOs, shareholder disputes, cybersecurity issues, government investigations and other litigation matters. Our clients include both well-known players and emerging companies in technology, media and telecommunications, as well as investors, lenders and underwriters. We understand the industry dynamics and challenges faced by companies in this highly competitive space, and render advice tailored to each client’s circumstances and reflective of their key priorities, business model and operations, proprietary IP and the competitive landscape. 

  • Alibaba in its historic $25 billion IPO and in multiple M&A matters and litigation matters
  • Microsoft in its $28.2 billion acquisition of LinkedIn and the financing and shareholder litigation connected with the transaction
  • Priceline.com and Booking.com in obtaining dismissal of antitrust class action claims involving the online travel industry
  • Airbnb in its most recent preferred stock offering, which raised over $1 billion in proceeds
  • Silver Lake Partners and GIC with the $2.6 billion strategic investments in Ancestry.com
  • The underwriters in Facebook’s $16 billion IPO, one of the largest in U.S. history
  • The underwriters of ETSY in securities litigation in California state court and New York federal court arising from its IPO
  • Alibaba in its $4.4 billion going private acquisition of Youku Tudou
  • The underwriters in the dual-listed ¥115 billion ($1.14 billion equivalent) IPO, the second largest U.S. IPO of 2016, of LINE Corporation, a Japanese mobile messaging company
  • Twitter in multiple securities and shareholder suits
  • Yahoo! in its $1.1 billion acquisition of Tumblr
  • Google in its acquisitions of YouTube and DoubleClick, and the underwriters in Google’s IPO, the largest dutch auction IPO in history
  • Sterling Partners in its $925 million acquisition of eBay Enterprise
  • Ancestry in a trademark infringement suit brought against a competitor that used Ancestry’s marks for inferior genetic test kits
  • Ellucian Company, an educational tech leader, in a trademark, false advertising and unfair competition dispute against Eleutian Technologies, a provider of long-distance tutoring in English on the Internet
  • Chinese online retailer LightInTheBox in a trademark infringement and counterfeiting litigation brought by Oakley and in other trademark, copyright, and unfair competition matters
Show more
  • SunGard Data Systems in its $9.1 billion acquisition by Fidelity National Information Services
  • KKR in the sale of its stake in Visma, a software services provider, in a transaction valued at $5.3 billion and considered the largest ever software buyout in Europe
  • ​Qualcomm​ ​and ​FLO TV​ in a case-dispositive summary judgment win related to TV software​
  • Microsoft in its $19.75 billion debt offering, which marked the company’s “biggest ever sale” of corporate debt and “the third-largest U.S. corporate bond sale of the year”
  • Vista Equity Partners in its $6.5 billion acquisition of Solera Holdings and the related financing
  • Hellman & Friedman in its $900 million investment in Genesys
  • Silver Lake Partners in its investments in Cegid Group
  • KKR in its acquisition of Epicor Software Corporation, and its investment in Jitterbit
  • First Data Corporation in its $2.82 billion IPO, the largest U.S. IPO of 2015
  • Blackstone in its investments in JDA Software Group
  • Oracle’s $14 billion investment grade note offering, ranked as one of the largest debt offerings of the year  
Show more
  • Dell and Silver Lake Partners in the record-breaking $67 billion (announced value) acquisition of EMC and the associated acquisition financing
  • $100 billion in registered public offerings by Apple, including its $17 billion bond offering—the largest corporate debt offering in history at the time

  • IOENGINE in two back-to-back jury verdicts in patent disputes
  • Western Digital in its $17 billion acquisition of SanDisk Corporation
  • NXP Semiconductors in its $40 billion merger with Freescale Semiconductor, including securing antitrust and CFIUS clearance, as well as in its IPO and numerous equity and debt offerings aggregating over $12 billion
  • Texas Instruments in investment grade notes offerings aggregating $8.1 billion
  • Seagate Technology in over $9 billion in senior notes financings
  • Micron Technology with $1 billion tender offers
  • HannStar Display Corporation in breach of contract action brought by Sony involving alleged price fixing in the LCD industry
  • KKR in its planned acquisition of Japan’s Hitachi Kokusai Electric
  • Micron Technology’s senior secured notes offering and senior secured term loan facility aggregating over $2 billion
  • The underwriters in Tesla’s $260 million initial public offering—the first IPO by a U.S. auto manufacturer since 1956—and subsequent public offerings, aggregating more than $8 billion
  • Avago Technologies (now Broadcom Corporation) in shareholder class actions arising out of the company’s acquisition of PLX Technology, and $16 billion in new credit facilities to finance Avago’s $37 billion acquisition of Broadcom
  • Federal Circuit affirmation of invalidity determination of the Patent Trial and Appeal Board on behalf of CSR relating to a patent owned by Skullcandy Inc.
  • Innolux​, ​HannStar​ and ​Elpida​ in criminal and multi-district litigation relating to alleged cartels in the LCD and computer memory industries 
  • ​LG Display ​in a billion-dollar antitrust lawsuit filed by SONY​
Show more
  • A global medical technology company​ in an internal investigation related to allegations of fraud and corruption
  • EQT Partners in its $2.35 billion acquisition of Press Ganey
  • McKesson Corporation in its $1.1 billion acquisition of CoverMyMeds, LLC
  • Pamplona Capital Management in its $2.75 billion acquisition of MedAssets
  • Warburg Pincus in connection with $76.5 million equity funding for Outset Medical
  • Hellman & Friedman in the acquisition of MultiPlan
  • ThermoFisher Scientific’s $6.5 billion of financing, including financing in connection with its acquisition of FEI Company
  • The underwriters in Boston Scientific’s debt offerings
  • Panasonic Healthcare in the carve-out acquisition of Bayer AG’s Diabetes Care business division for $1.15 billion
  • Teleflex in multiple acquisitions and in debt offerings aggregating $1.3 billion
  • Acelity in the $2.9 billion sale of its LifeCell Business Unit to Allergan
Show more
  • Silver Lake Partners’ $1 billion investment in Motorola Solutions
  • Trial defense of Cisco and on appeal before the Federal Circuit and Supreme Court in patent litigation over Bluetooth technology
  • Vodafone in the sale of its 45% interest in Verizon Wireless to Verizon Communications Inc. for $130 billion
  • SBA Communications in its $1.1 billion offering of senior notes
  • CommScope in its $625.25 million IPO, capital markets and securities offerings aggregating more than $8 billion and in financing the acquisition of TE Connectivity’s Broadband Network Solutions business
  • A global telecommunications leader in a DOJ and SEC investigation of alleged FCPA violations involving three continents
Show more
  • SiriusXM in its acquisitions of Automatic Labs Inc. and Agero’s connected vehicle services unit, in the Sirius Satellite Radio and XM Satellite Radio historic merger of equals, in senior notes offerings aggregating $9.2 billion, and in obtaining the dismissal of a shareholder derivative action against Sirius XM Lions Gate Entertainment in its $4.4 billion acquisition of Starz and senior notes and secondary offerings
  • AOL Inc. in its $315 million acquisition of TheHuffingtonPost.com​
  • The Official Committee of Unsecured Creditors, which included Terry G. Bollea (better known as WWE star Hulk Hogan), in the bankruptcy proceedings of Gawker Media
  • Apax Partners in connection with Activision Blizzard’s $5.9 billion acquisition of King Digital Entertainment
  • The underwriters of iDreamSky Technology, a mobile game publishing platform in China, in securities litigation arising from its IPO
Show more
  • Carbonite in its $143.8 million convertible senior notes offering
  • Beazley in an appellate win against identity theft prevention service Lifelock’s demand for insurance coverage of consumer class actions
  • Defending Berkshire Hathaway-owned insurance companies in cybersecurity class action litigation 
  • KKR in its investment in Darktrace
  • Blackstone in its investment in Cylance
  • Symantec Corporation in its $1.1 billion notes offering in connection with its acquisition of LifeLock, and in the financing of its $4.65 billion acquisition of Blue Coat
  • JPMorgan Chase in obtaining a temporary restraining order, preliminary injunction and permanent injunction in cybersquatting and trademark infringement litigation against defendants operating websites using JPM trademarks without consent
  • Corporate Risk Holdings in the $410 million sale of Kroll Ontrack
  • Blackstone in the sale of Optiv Security to KKR
Show more
  • The underwriters in Square’s $280 million IPO and subsequent $440 million convertible notes offering
  • Ant Financial in its investments to extend its online payment platform in Asia (hellopay, Mynt, Kakao Pay, Paytm and Touch ‘n Go)
  • Global Payments in its $4.3 billion acquisition of Heartland Payment Systems and in the successful resolution of the related M&A litigation
  • Virtu Financial in its announced $1.4 billion acquisition of KCG Holdings
  • The underwriters of LendingClub in '33 Act litigation arising out of its $1 billion IPO
  • TradeWeb Markets in an antitrust action alleging several financial institutions and trading platforms conspired to limit competition in the $320 trillion market for interest rate swaps
Show more

News & Events



      Spotlight on
      Simpson Thacher Wins “TMT Firm of the Year” at Asia Legal Awards 2018
      Spotlight on
      OCC Announces New Federal Charter for FinTech Firms
      Spotlight on
      Simpson Thacher Sponsors Jumpstarter 2017 in Hong Kong