Richard E. Climan is a leading M&A lawyer who has handled some of the most prominent and industry-changing acquisitions in the technology and life sciences sectors over the past three decades. He has been described as "one of the best legal minds in M&A" and a "gold-standard transactional lawyer."

Recognized as one of the 10 most highly regarded M&A and corporate governance lawyers in North America by Who's Who Legal, Rick excels at negotiating and advising multinational clients on all types of acquisition transactions and related matters. In Chambers USA, he has a Band 1 ranking, being described by clients as "the dean of M&A." In 2019, he was recognized by the National Law Journal as one of its inaugural technology law Trailblazers and by the Recorder as one of its inaugural California Trailblazers.

In the past two years, Rick acted as lead counsel to Walmart in its US$16 billion acquisition of a 77% stake in Flipkart, lead counsel to Marvell Technology Group in its US$6 billion acquisition of Cavium, and lead counsel to Synopsys in its acquisition of Black Duck Software.

As an adjunct faculty member at UCLA School of Law and a lecturer at UC Berkeley School of Law, Rick has co-taught, with Chief Justice Leo Strine of the Delaware Supreme Court, a course titled "Real World M&A."

For more than 25 years, Rick has been an active member of the ABA Business Law Section's M&A Committee, with more than 5,000 members internationally. He served as Chair from 2002 to 2006 and is currently a member of the Committee's Executive Council. He also co-chairs the ABA's annual National M&A Institute, now in its 24th year, and is the former Chair of the Securities Regulation Institute, presented by Northwestern School of Law. He is founding Chair of the "Buyer Power Ratio" deal points study, launched in 2017.

Rick lectures around the world on M&A-related matters and has presented at Harvard, Columbia, Stanford, UC Berkeley, and University of Virginia law schools.

Awards and recognitions


Corporate/M&A (Northern California), Band 1
Chambers USA

2010-2014, 2018-2019

Top 100 Lawyers in California
Daily Journal

100 Most Influential Lawyers in America
The National Law Journal


Technology Law Trailblazer
National Law Journal


California Trailblazer
The Recorder

Education and admissions


J.D., Harvard Law School, cum laude, 1977

B.A., Harvard College, cum laude, 1974

Bar admissions and qualifications


Representative experience

Advised Walmart in its US$16bn acquisition of a majority stake in Flipkart.

Advised Marvell Technology Group in its acquisition of Cavium valued at US$6bn.

Advised Synopsys in its US$565m acquisition of Black Duck Software and its acquisitions of Magma Design Automation, Sidense, and QuantumWise.*

Advised Aspect Development in its sale to i2 Technologies for US$9bn.*

Represented Illumina in its successful defense against Roche's US$6.2bn hostile takeover attempt.*

Advised Arterial Vascular Engineering on its sale to Medtronic for more than US$3.5bn.*

Advised Gilead Sciences on its acquisitions of Myogen for approximately US$2.5bn and CV Therapeutics for approximately US$1.4bn.*

Advised on the sale of the Los Angeles Dodgers to a buyout group led by Guggenheim Partners for more than US$2bn.*

Advised on the sale of Blackboard to a private equity group led by Providence Equity Partners for more than US$1.6bn.*

Advised Oracle on its acquisition of Responsys for approximately US$1.5bn.*

Advised VeriFone in its US$1.1bn sale to Hewlett-Packard.*

Advised Dell on its acquisition of Compellent Technologies for approximately US$1bn.*

Advised Aspreva Pharmaceuticals in its US$915m sale to Galenica Group.*

Advised SEQUUS on its sale to Alza for US$550m.*

Advised Arterial Vascular Engineering on its acquisition of CR Bard's cardio catheter laboratory business for US$550m.*

Advised in its acquisition of Auctiva.*

Advised Gilead Sciences in its acquisitions of Triangle Pharmaceuticals and Corus Pharma.*

Advised Ant Financial Services in its acquisition of EyeVerify.*

Advised Onyx Pharmaceuticals in its acquisition of Proteolix.*

Advised Twilio in its acquisition of Authy.*

Advised Raptor Pharmaceuticals in its acquisition of the rights to Quinsair.*

Advised Dell in its acquisition of SecureWorks.*

Advised Recourse Technologies in its sale to Symantec.*

Advised Bank of America Merrill Lynch and Barclays in their capacity as financial advisors on various acquisitions in the technology sector.*

*Matter handled prior to joining Hogan Lovells.

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