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Quinn Emanuel Urquhart & Sullivan, LLP

Quinn Emanuel Urquhart & Sullivan, LLP

865 S. Figueroa St., 10th Floor, Los Angeles, California 90017, Los Angeles, CA 90017

Google3.8(17)
29 Locations
$10.8B+ Recovered
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About Quinn Emanuel Urquhart & Sullivan, LLP

Quinn Emanuel Urquhart & Sullivan, LLP is a business litigation firm with over 1300 attorneys across 33 global offices. The firm focuses solely on business litigation and arbitration, handling a wide range of disputes including product liability, mass torts, and other plaintiff-side litigation. They have a track record of significant victories, including a $5.8 billion M&A litigation win and a $14 billion international arbitration award. The firm also operates an Artists-In-Residence program and offers a work-from-anywhere policy.

Notable Case Results

Case results are sourced directly from attorney websites by Injuria.ai's data infrastructure, which actively monitors 22,000+ personal injury law firms. They are not results obtained by ThatCarHitMe.com. Prior results do not guarantee a similar outcome.

$5.8B

M&A Litigation

Achieved a victory on behalf of Mirae Asset in the Delaware Supreme Court, upholding a $5.8 billion busted deal case ruling and creating textbook law on ordinary course covenants.

2025View

$3.7B

Affordable Care Act Suit

Representing health insurers that were set to receive $3.7 billion from the federal government under an Obamacare program. Quinn Emanuel was awarded nearly $185 million in fees for this work.

2025Trial VerdictView

$334M

Patent Infringement

Obtained a sweeping victory for Complete Genomics, Inc., with a Delaware federal jury awarding $334 million in damages after finding Illumina willfully infringed CGI’s patents.

2022Trial VerdictView

$63M

Business Fraud

Secured a decisive victory following a five-week trial in a business fraud case, with Monmouth County jurors finding that the defendants had defrauded clients into surrendering control of their company. The jury awarded $56 million in compensatory damages, later increased by $7 million in punitive damages for a total verdict of $63 million.

2025Trial VerdictView

$174.5M

Patent Infringement

Secured a jury verdict of $174,530,785 for Voxer Inc. against Meta Platforms Inc. for patent infringement related to live messaging technology.

2022Trial VerdictView

$300M

M&A Litigation

Secured a decisive victory in an expedited, broken-deal case, with Chancellor McCormick of the Delaware Court of Chancery ruling that Nano Dimension had materially breached its merger agreement with client Desktop Metal. The Chancellor ordered Nano to close its $300 million acquisition of Desktop.

2025Trial VerdictView

Contact Information

Reveal Phone Number
quinnemanuel.com

Office Locations

865 S. Figueroa St., 10th Floor, Los Angeles, California 90017

Los Angeles, CA 90017

+1 213 443 3000

Google3.6(15)Primary

4501-03 Lippo Centre, Tower One, 89 Queensway, Admiralty, Hong Kong

Admiralty,

+852 3464 5600

1200 Abernathy Road NE, Building 600, Suite 1500, Atlanta, GA 30328

Atlanta, GA 30328

+1 ‪404 482 3502

300 West 6th St, Suite 2010, Austin, TX 78701

Austin, TX 78701

+1 737 667 6100

Walter-Benjamin-Platz 6, 10629 Berlin, Germany

Berlin, 10629

+49 30 300147000

111 Huntington Ave, Suite 520, Boston, MA 02199

Boston, MA 02199

+1 617 712 7100

Blue Tower, Avenue Louise 326, 5th Floor, 1050 Brussels, Belgium

Brussels, 1050

+32 2 416 5000

Google5.0(1)

191 N. Wacker Drive, Suite 2700, Chicago, Illinois 60606

Chicago, IL 60606

+1 312 705 7400

3100 McKinnon St, Suite 1125, Dallas, TX 75201

Dallas, TX 75201

(469) 902-3600

An der Alster 3, 20099 Hamburg, Germany

Hamburg, 20099

+49 40 89728 7000

700 Louisiana St., Suite 3900, Houston, TX 77002

Houston, TX 77002

+1 713 221 7000

90 High Holborn, London, WC1V 6LJ, United Kingdom

London, WC1V 6LJ

+44 20 7653 2000

Google4.1

Mollstraße 42, 68165 Mannheim, Germany

Mannheim, 68165

+49 621 43298 6000

2601 South Bayshore Dr, Suite 1550, Miami, FL 33133

Miami, FL 33133

+1 (305) 402-4880

Hermann-Sack-Straße 3, 80331 Munich, Germany

Munich, 80331

+49 89 20608 3000

100, Avenue Charles de Gaulle, 92200 Neuilly-sur-Seine, France

Neuilly-sur-Seine, 92200

+33 (0)1 74 31 35 22

295 5th Avenue, 9th Floor, New York, New York 10016

New York, NY 10016

+1 212 849 7000

Google4.0

6 rue Lamennais, 75008 Paris, France

Paris, 75008

+33 1 73 44 60 00

Google4.6

Ground Floor (Fern), 79 St Georges Terrace, Perth WA 6000, Australia

Perth, WA 6000

+61 8 6382 3000

555 Twin Dolphin Dr., 5th Floor, Redwood Shores, California 94065

Redwood Shores, CA 94065

+1 650 801 5000

Google5.0(1)

Al Madar Tower, 7th Floor, 2277 Makkah Al Mukarramah- Al Olaya Dist., Cairo Square, Unit No. 120, Riyadh 12611 - 9191, Kingdom of Saudi Arabia

Riyadh, 12611 - 9191

2755 E. Cottonwood Parkway, Suite 520, Salt Lake City, Utah 84121

Salt Lake City, UT 84121

+1 801 515 7300

50 California Street, 22nd Floor, San Francisco, California 94111

San Francisco, CA 94111

+1 415 875 6600

1109 First Avenue, Suite 210, Seattle, WA 98101

Seattle, WA 98101

+1 206 905 7000

8 Marina Boulevard #11-11 Marina Bay Financial Centre Tower 1 Singapore 018981

Singapore, 018981

+65 6653 4703

Büchsenstraße 10, 70173 Stuttgart, Germany

Stuttgart, 70173

+49 711 1856 9000

Google3.0

1300 I Street NW, Suite 900, Washington, D.C. 20005

Washington, D.C., 20005

+1 202 538 8000

500 Delaware Avenue, Suite 220, Wilmington, Delaware 19801

Wilmington, DE 19801

+1 (302) 302 4000 (Main)

Hegibachstrasse 1, 8032 Zurich, Switzerland

Zurich, 8032

+41 44 253 80 00

Google4.5

Office Locations

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