Twitter Logo Youtube Circle Icon LinkedIn Icon

United States > M&A/corporate and commercial > Commercial deals and contracts > Law firm and leading lawyer rankings

Editorial

Who Represents Who

Find out which law firms are representing which Commercial deals and contracts clients in United States using The Legal 500's new comprehensive database of law firm/client relationships. Instantly search over 925,000 relationships, including over 83,000 Fortune 500, 46,000 FTSE350 and 13,000 DAX 30 relationships globally. Access is free for in-house lawyers, and by subscription for law firms. For more information, contact david.burgess@legal500.com.

CLICK HERE TO VISIT THE WHO REPRESENTS WHO SITE

The ‘excellent’ attorneys at Covington & Burling LLPdeliver candid and thoughtful advice and can draw on great strength in depth’. The firm advised AbbVie on its global collaboration with Boehringer Ingelheim for the development of a monoclonal biologic antibody for the treatment of psoriasis, and acted for Allergan in a licensing and collaboration agreement with Heptares Therapeutics, whereby the client acquired a portfolio of novel subtype-selective muscarinic receptor agonists for the treatment of major neurological disorders. Other clients include Blueprint Medicines, for which it acted in the renegotiation of its collaboration with Ventana for the development of companion diagnostic arrays for the client’s therapeutic products. It also acted for Sanofi in connection with the launch of a joint venture with Verily Life Sciences to develop a diabetes management platform. John Hurvitz, senior counsel Richard Kingham, Emily Leonard, Scott Danzis and Matthew O’Connor chair the life sciences industry group, in which key figures also include Catherine Dargan, Michael Riella, of counsel Sarah Hoagland and Van Ellis, who joined from Morrison & Foerster LLP in June 2016. All those named are based in Washington DC, except for Leonard, who works in Silicon Valley. The firm also has a presence in San Francisco.

Gibson, Dunn & Crutcher LLP’s strategic sourcing and commercial transactions group is chaired by Palo Alto-based Daniel Mummery, New York-based Stephen Nordahl, and Los Angeles-based William Peters. Shaalu Mehra, also in Palo Alto, handles technology transactions, especially where there is a strong IP component. The firm advised The Chemin Group on a partnership with private equity house KKR to create Emerald Media, a fund that invests in the media and entertainment industry across Asia. It also acted for Universal Pictures in the formation of its partnership with Blumhouse Pictures. Other clients include General Electric, which the firm advised on transition services arrangements connected with the sale of the majority of assets of GE Capital, and Merck, which it assisted with the unwinding of a vaccines joint venture with Sanofi. Marriott International and Johnson & Johnson are also clients.

The ‘excellent’ attorneys at Latham & Watkins LLPdeliver practical advice and take a great common-sense approach’. From Silicon Valley, Anthony Klein chairs the technology transactions practice and the IT systems group, while Judith Hasko chairs the life sciences licensing group. Together with Tad Freese, Klein acted for Bebe Stores in the formation of a joint venture with Bluestar Alliance. Hasko’s highlights included assisting Juno Therapeutics with its licensing agreement with Celgene Corporation for the development of immunotherapies for patients with cancer and autoimmune diseases. Boston-based Sarah Gagan is ‘extremely responsive’. She acted for Boston Scientific in the creation of a licensing and development agreement with Visible Health Software for ureteral stent tracking software. Other clients include Copa América Centenario, Authentic Brands Group, and Starwood Hotels & Resorts Worldwide.

Morgan, Lewis & Bockius LLP’s technology, outsourcing and commercial transactions practice is headed by Barbara Melby, who divides her time between New York and Philadelphia, and Michael Pillion, who is based in the latter. Other key members of the team include Silicon Valley’s Rahul Kapoor and New York’s Vito Petretti. The firm acted for The Clearing House in connection with a number of major IT agreements. It also advised Colgate-Palmolive on matters that included the migration of numerous services to a Google Apps cloud environment and the negotiation of a global warehouse management transaction. Other highlights included assisting SanDisk with the negotiation of its SD flash memory card joint venture with Toshiba and Panasonic and advising Ambidio with the creation of a license and advisory services agreement concerning its proprietary coding technology.

Ropes & Gray LLPprovides excellent support, good communications, timely responses and sound legal advice’. Edward Black heads the practice from Boston, where his colleagues include David McIntosh and Mark Bellomy. Black worked alongside ‘thorough and unflappable’ Silicon Valley lawyer Megan Baca in advising marketing and communications agency Butler, Shine, Stern & Partners on matters that include advertising services agreements. McIntosh acted for Boehringer Ingelheim in the formation of a global agreement with AbbVie to develop a biologic antibody for the treatment of psoriasis. Bellomy assisted Pfizer with the formation of a global strategic alliance with Merck to develop and commercialize an antibody for the treatment of cancer.

The ‘professional and ethical’ lawyers at WilmerHaleconsistently deliver excellent results’. Steven Barrett and Belinda Juran chair the practice from Boston, where their colleagues include Jeffrey Johnson and the ‘fantastic’ Michael Bevilacqua. Transactional department chair Steven Singer and Robert Finkel are based in New York. Barrett advised Agios Pharmaceuticals on the negotiation of a metabolic immuno-oncology collaboration with Celgene. Johnson acted for semiconductor manufacturer Analog Devices in a variety of matters, including a development and reseller agreement with Consumer Physics. Highlights for Juran included assisting Eleven Biotherapeutics regarding a license agreement with Roche. Bevilacqua’s clients include Intel and also Goldman Sachs, which he advised on a deal with Nasdaq to create an alternative trading system.

The ‘outstandingSullivan & Worcester LLPprovides sound legal advice and can always be counted on in a crisis’. Lewis Segall heads the corporate and M&A group and advised US Grid Company on funding and joint venture agreements. Fellow Boston lawyer Steven Eichel acted for George Carney, Jr and Sweeney Investments in the formation of a joint venture with Rush Street Gaming to create a casino resort in Brockton, MA. In Washington DC, Elias Hinckley’s clients include Vision Street Capital and Merrill Kramer assisted Saturn Power with various matters pertaining to the development of two 10MW solar power projects in Oregon.

International comparative guides

Giving the in-house community greater insight to the law and regulations in different jurisdictions.

Select Practice Area

The Legal 500 United States - Events

GC Powerlist -
United States

Press releases

The latest news direct from law firms. If you would like to submit press releases for your firm, send an email request to

Legal Developments worldwide

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to

Press Releases worldwide

The latest news direct from law firms. If you would like to submit press releases for your firm, send an email request to