Clients ranging from startups and individual entrepreneurs to mature public and private companies, multinational corporations and financial institutions rely on our experienced counsel to turn challenges into business opportunities. 

WilmerHale's Transactional Department includes skilled business counselors and former industry professionals prepared to handle even the most complex transactions and issues, as well as former senior staff members from US government agencies who provide a wealth of regulatory insight. This seasoned team advises clients from a wide array of technology, life sciences and regulated industries, including biotechnology, medical devices, communications, digital media, financial services, energy and cleantech, aviation, education, real estate, retail and the nonprofit sector.

To provide every client with the highest levels of knowledge and experience across a multitude of matters, our Transactional Department attorneys regularly collaborate with the firm's intellectual property, regulatory, securities and litigation authorities. Leading legal publications—including Chambers, The American Lawyer, Law360, The Legal 500 and JUVE—regularly rank our practitioners as the most sophisticated and skilled in the business.


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Singer, Steven D.

Steven D. Singer

Chair, Transactional Department

+1 212 295 6307 (t)


A. William Caporizzo

Vice Chair, Transactional Department

+1 617 526 6411 (t)

Publications & News


October 14, 2016

China Reforms Its Registration System for Foreign Investment

On October 8, the Ministry of Commerce issued the Provisional Measures for Filing Administration of Establishment and Changes of Foreign-Invested Enterprises. The Filing Administration Measures are based on the Decision of the Standing Committee of the National People's Congress on the Revision of Four Laws Including the Law on Wholly Foreign-Owned Enterprises issued on September 3.

October 13, 2016

WilmerHale Reps Ocular Therapeutix™ in Strategic Collaboration With Regeneron

Ocular Therapeutix, Inc., a biopharmaceutical company focused on the development and commercialization of innovative therapies for diseases and conditions of the eye, announced that it has entered into a strategic collaboration, option and license agreement with Regeneron Pharmaceuticals, Inc.

October 10, 2016

Technical and Scientific Experience

Our ability to provide superior legal representation to technology companies is greatly enhanced by the academic and industry experience of our lawyers in a wide variety of technical and scientific fields.    

October 7, 2016

WilmerHale Advises Acacia Communications in Follow-On Public Offering of Common Stock

The WilmerHale deal team was led by Partners Mark Borden, David Westenberg and Jason Kropp, and included Counsel Sarah Sellers and Associates Colin Beauvais and Julie Fogarty.

October 6, 2016

WilmerHale Advises Catabasis Pharmaceuticals in Closing of $11.5M Offering of Common Stock

The WilmerHale deal team was led by Partner Rosemary Reilly and included Counsel Jeffries Oliver-Li, Associate Timothy Kulis, and Attorney Heidi Treiber.

October 4, 2016

Sarepta Therapeutics and Summit Enter into Exclusive License and Collaboration Agreement

WilmerHale client Summit Therapeutics plc and Sarepta Therapeutics announced that they have entered into an exclusive license and collaboration agreement granting Sarepta rights in Europe, as well as in Turkey and the Commonwealth of Independent States.

October 4, 2016

WilmerHale Advises Akamai Technologies in Acquiring Soha Systems

Akamai Technologies, Inc. announced that, in an all cash transaction, it has acquired Soha Systems, an innovator in enterprise secure access delivered as a service.

October 3, 2016

Should Your Startup Take The B Corp Route?

An article contributed to TechCrunch by Mick Bain that discusses whether or not to establish your company as a B Corp—a for-profit company certified by the nonprofit B Lab to meet rigorous standards of social and environmental performance, accountability and transparency.

September 30, 2016

China’s Emerging Social Credit System and the Role of the Courts

Persons (both individuals and companies) who are determined in a judicial administrative law proceeding to be socially uncreditworthy will be subject to prohibitions and other restrictions on their commercial, residential and family activities.

September 29, 2016

WilmerHale Advises Altiostar Networks in $60M Venture Capital Financing

The WilmerHale team was led by Partner Mark Borden and included Senior Associate Caroline Dotolo and Associate Alyce Chen.