Firm Profile

Manatt, Phelps & Phillips, LLP


11355 West Olympic Boulevard
Los Angeles, CA 90064
United States
(310) 312.4000

Firm Details

Manatt is known for quality, for extraordinary commitment to clients, for integrated, relationship-based services, and for a range of capabilities typically found only in boutique firms. We are progressive and entrepreneurial compared to other major firms, and we are deeply committed to diversity, to public service, to involvement in the communities we serve and to excellence in all we do.

We are proud to represent a sophisticated client base in a range of industries, including healthcare, financial services, entertainment, media and advertising, real estate, technology, energy and natural resources, consumer goods and services, and transportation.

We provide technical and service capabilities at the very highest levels, supplemented by the industry know-how necessary to achieve our clients’ business objectives.

Our strong presence in America’s most important business markets enables us to address and exceed client expectations. Our largest offices are strategically located in Los Angeles, New York, Palo Alto, San Francisco, Orange County, Chicago and Washington, D.C. Our offices in Sacramento and Albany—the capitals of California and New York—provide connections to government decision makers and to solutions that are unavailable from our competitors.

Recent Recognitions

Manatt Named to American Lawyer’s A-List Top 20 (July 2017)

Working Mother and Flex-Time Lawyers Recognizes

Manatt as a Leading Law Firm for Women for 10th Year (July 2017)

Women in Law Empowerment Forum Awards Manatt 2017 Gold Certification Under Stricter Standards (June 2017)

Legal 500 US Recognizes Manatt Practices Among Top in Nation (June 2017)

Manatt Practices Recognized in Chambers USA 2017 (May 2017)

Manatt Named 2017 "Law Firm of the Year" for Advertising Law by U.S. News and Best Lawyers (Nov. 2016)

Manatt Named "Law Firm of the Year" for Entertainment Law - Motion Picture & Television by U.S. News and Best Lawyers (Nov. 2016)

U.S. News Ranks Manatt Practices Among Top in Nation (Nov. 2016)

Best Lawyers Names 67 Manatt Attorneys Leading Lawyers in America for 2017 (Aug. 2016)

Manatt Earns an A+ For Gender Diversity by Above the Law (April 2016) 

M&A Advisor Names Manatt Winner of 2016 "Restructuring Deal of the Year ($100M-$250M)" Award (Jan. 2016)



William T. Quicksilver
Chief Executive Officer and Managing Partner

Top Listed State Awards

  • Top Listed in California in Financial Services Regulation Law with 4 lawyers
  • Top Listed in California in International Mergers & Acquisitions with 2 lawyers

Top Listed City Awards

  • Top Listed in Costa Mesa in Banking and Finance Law with 2 lawyers
  • Top Listed in Los Angeles in Eminent Domain and Condemnation Law with 3 lawyers
  • Top Listed in Los Angeles in Financial Services Regulation Law with 3 lawyers
  • Top Listed in Costa Mesa in International Mergers & Acquisitions with 2 lawyers


  • Aetna
  • AT&T
  • Blue Shield of California
  • Draper Fisher Jurvetson
  • Goldman, Sachs & Co.
  • Macerich
  • Mitsui & Co., Ltd.
  • Siemens
  • Sony Pictures Entertainment
  • Tesoro Petroleum Corp.
  • Toyota Motor Sales (USA)

About Our Clients


Firm Practice Areas

  • Advertising Law
  • Antitrust Law
  • Appellate Practice
  • Banking and Finance Law
  • Bet-the-Company Litigation
  • Commercial Litigation
  • Consumer Protection Law
  • Copyright Law
  • Corporate Compliance Law
  • Corporate Governance Law
  • Corporate Law
  • Criminal Defense: White-Collar
  • Eminent Domain and Condemnation Law
  • Employee Benefits (ERISA) Law
  • Employment Law - Management
  • Energy Law
  • Energy Regulatory Law
  • Entertainment Law - Motion Pictures and Television
  • Entertainment Law - Music
  • Environmental Law
  • Financial Services Regulation Law
  • Government Contracts
  • Government Relations Practice
  • Health Care Law
  • Insurance Law
  • International Trade and Finance Law
  • Labor Law - Management
  • Land Use and Zoning Law
  • Litigation - Bankruptcy
  • Litigation - Environmental
  • Litigation - Intellectual Property
  • Litigation - Labor and Employment
  • Mergers and Acquisitions Law
  • Patent Law
  • Privacy and Data Security Law
  • Private Funds / Hedge Funds Law
  • Real Estate Law
  • Securities / Capital Markets Law
  • Tax Law
  • Trademark Law
  • Trusts and Estates
  • Venture Capital Law

Office Locations

United States

United States



Costa Mesa, CA

695 Town Center Drive, 14th Floor

Costa Mesa, CA 92626

United States

(714) 371.2500

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Los Angeles, CA

11355 West Olympic Boulevard

Los Angeles, CA 90064

United States

(310) 312.4000

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Palo Alto, CA

350 Cambridge Avenue, Suite 300

Palo Alto, CA 94306

United States

(650) 812.1300

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Sacramento, CA

1215 K Street, Suite 1900

Sacramento, CA 95814

United States

(916) 552.2300

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San Francisco, CA

One Embarcadero Center, 30th Floor

San Francisco, CA 94111

United States

(415) 291.7400

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District of Columbia

District of Columbia

Washington, DC

1050 Connecticut Avenue, NW, Suite 600

Washington, DC 20036

United States

(202) 585.6500

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Chicago, IL

20 North Clark Street, Suite 3300

Chicago, IL 60602

United States

(312) 626.1813

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New York

New York

Albany, NY

136 State Street, Suite 300

Albany, NY 12207

United States

(518) 431.6700

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New York, NY

Seven Times Square

New York, NY 10036

United States

(212) 790.4500

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