Nossaman LLP
Headquarters Flag of the United States.svg Los Angeles, California
No. of offices 7
No. of attorneys 140
Major practice areas Corporate; Healthcare; Infrastructure; Litigation; Real Estate; Public Policy
Date founded 1942
Company type Limited liability partnership

Nossaman LLP is a national law firm with over 150 attorneys and lobbyists located in seven offices throughout the United States. The Firm’s expertise is focused in distinct areas of law and policy, as well as in specific industries, ranging from transportation, healthcare and financial services to real estate development, water and employment. Clients of the Firm include multi-national corporations, public agencies, private businesses, trade associations, non-profits, and individuals. Business litigator Michael Heumann has served as Nossaman's managing partner since early 2007[1].

The Firm was founded in 1942 in Los Angeles by Walter L. Nossaman. As a result of several mergers and acquisitions, the Firm’s name has morphed throughout the years. Most recently, Nossaman merged with the Washington, DC law firm O’Connor & Hannan[2] and shortened its name from Nossaman Guthner Knox & Elliott[3].

The National Law Journal named Nossaman to its "2011 Midsize Hot List[4]", a special feature that highlights 20 of the nation's leading midsize law firms. Nossaman has also been recognized by Chambers and Partners in their 2011 guide to the top law firms and attorneys in the United States legal market. The Firm’s infrastructure practice and co-chairs, Geoff Yarema and Patrick Harder are top-ranked nationally in the public-private partnership (PPP) projects category. The Firm's healthcare practice is ranked in California as well as healthcare chair, Richard Spohn, and partner, Ann O'Connell.

Nossaman is a member of The Bridge Group, a non-exclusive network of law firms in the United States and Europe. This network offers expanded geographic reach and depth of experience to clients, including the resources and expertise of more than 1,500 legal professionals in numerous cities around the world [5].


Key practice areas and industries

  • Climate Change
  • Construction
  • Corporate
  • Eminent Domain and Valuation
  • Employment
  • Energy
  • Environment and Land Use
  • Financial Services and Bankruptcy
  • Food and Beverage
  • Healthcare
  • Homebuilding
  • Infrastructure
  • Insurance Coverage
  • Land Development
  • Litigation
  • Manufacturing
  • Public Agency Law
  • Public Finance
  • Public Policy Law
  • Public Utilities Regulatory
  • Real Estate
  • Telecommunications
  • Transportation
  • Water Law
  • White Collar Defense

Notable people

Dick Ackerman is former California Senate Republican leader. He left office in mid-2008 after reaching his term limit and currently practices law in the Firm's Orange County office.

George J. Hochbrueckner is a former member of the U.S. House of Representatives and current Senior Policy Advisor with Nossaman in Washington, DC.

James Symington is a former member of the U.S. House of Representatives. In March 2008 he received Russia's Order of Friendship, the highest award available to a non-citizen. Currently, he is Of Counsel with Nossaman in Washington, DC.

John T. Knox is a former California state assemblymember and speaker pro tempore. He authored the Knox-Keene Health Care Service Plan Act of 1975 and is a current partner at Nossaman in San Francisco. A segment of the California I-580 is named the John T. Knox Freeway.

John F. Foran is a former California state senator and assemblymember. Currently, he is a partner at Nossaman, located in Sacramento. A segment of the California I-280 freeway is named after John F. Foran for his service to the California Transportation Commission.

William T. Bagley is a former California state assemblymember representing Marin. He is currently a partner at Nossaman in San Francisco. A Segment of the California 101 is named the William T. Bagley freeway.

Geoffrey S. Yarema was appointed in 2007 by U.S. Secretary of Transportation Mary Peters to the National Surface Transportation Financing Commission [6]. He is co-chair of Nossaman's Infrastructure Practice Group.

Robert M. Adler is known for his successful defense of Gerald Lankford, a former director of human resources at Tyson Foods, in a seven-week criminal trial brought against Tyson Foods and a number of its employees for allegedly hiring workers know to be undocumented immigrants. The National Law Journal named the acquittal the biggest defense win of the year.

Robert D. Thornton pioneered the Habitat Conservation Plan (HCP) concept creating the first such plan for the area around San Bruno Mountain. He authored and advocated the HCP provisions of the Endangered Species Act. In 2007 and 2008, Mr. Thornton was ranked as one of the top 10 environmental lawyers nationally by United States Lawyer Rankings. He is a partner at Nossaman and located in Orange County.

Kurt W. Melchior was inducted into the California Trial Lawyers Hall of Fame in 2004[7]. He is a Nossaman Partner and serves as the Firm's General Counsel.

Edward VA Kussy is a current partner at Nossaman in Washington, DC and the former chief deputy counsel to the Federal Highway Administration (FHWA).

Notable alumni

Ann Veneman is the executive director of UNICEF and former U.S. secretary of agriculture[8].

Charles Calderon is a California state assemblymember[9].

Richard Riordan is the former mayor of Los Angeles[10]. He also co-founded The Riordan Programs at UCLA Anderson School of Management[11].

Laughlin E. Waters is a former California state assemblymember, served as U.S. attorney for the Central District and served as a U.S. district court judge.


  • Arlington
  • Austin
  • Los Angeles
  • Orange County
  • Sacramento
  • San Francisco
  • Washington, DC


  1. ^ Nossaman press release announcing Michael Heumann's election to Managing Partner
  2. ^ Legal Times article on merger with O'Connor & Hannan
  3. ^ National Law Journal article on Nossaman merger and name change
  4. ^ National Law Journal article naming Nossaman to the "2011 Midsize Hot List"
  5. ^ Law firm members of The Bridge Group
  6. ^ National Surface Transportation Financing Commission, Commissioner Profile for Geoffrey S. Yarema
  7. ^ California Trial Lawyers Hall of Fame, Kurt Melchior
  8. ^ The White House, Secretary of Agriculture Ann Veneman Profile
  9. ^ Assemblymember Charles Calderon
  10. ^ Biography or Richard Riordan
  11. ^ The Riordan Programs, Profile of Richard Riordan

External links

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