Mayer Brown LLP

Immigration Law Firm

  • Recent Case: 1,707
  • Success Rate: 100%

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Contact Information


  • 202-263-3350
  • dolnotices@mayerbrown.com
  • 1999 K Street, N.W. , Washington , DC 20006

About Mayer Brown LLP


During the past three years, Mayer Brown LLP has filed 1,516 labor condition applications for H-1B visas, all have been approved, and 191 labor petitions for employment based green cards, all have been certified(approved). The overall case success rate is 100%.

Statistics of Labor Petitions for H-1B Visa & Employment Based Green Card(PERM)


LCA For H-1B Visa
  • Applications Filed: 1,516
  • Case Denied: 0
LC for Green Card(PERM)
  • Applications Filed: 191
  • Cased Denied: 0

Labor Petitions (LC) for Green Card (PERM) Applications


Mayer Brown LLP has assisted clients in filing labor petitions for Green Card (PERM) applications. Below are key statistics:

Top Beneficiary Visas

H-1B; L-1; E-2; Not in USA; TN; TPS; F-1

Top Job Titles

Senior Engineer; Engineer; Lead, Software Engineering; Senior Consultant, Applications; Senior Manager, Risk Management; Information Security Analyst; Lead, Sw Full Stack Eng; Database Developer; Sr. Associate, Sw Engineering; Network Engineer

Top O*NET Titles

Software Developers, Applications; Software Developers; Computer Systems Analysts; Statisticians; Information Security Analysts; Information Technology Project Managers; Risk Management Specialists; Software Developers, Systems Software; Financial Analysts; Database Architects

Top Locations

Chicago, IL; Phoenix, AZ; New York, NY; Long Island City, NY; Spartanburg, SC; Bethpage, NY; Sunrise, FL; Washington, DC; Plano, TX; Bethesda, MD

Labor Condition Applications(LCA) for H-1B Visa


Mayer Brown LLP has filed labor condition applications for H-1B visas for a wide variety of positions and locations. Below are the top statistics:

Top Beneficiary Visas

H-1B; E-3 Australian; H-1B1 Singapore; H-1B1 Chile

Top Job Titles

Software Developer; Business Intelligence Analyst; Associate Attorney; Software Developer, Applications; Senior Software Engineer; Information Technology Project Manager; Software Developers; Data Scientist; Software Developers, Applications; Software Engineer

Top Locations

Chicago, IL; Indianapolis, IN; New York, NY; Long Island City, NY; Spartanburg, SC; Bethpage, NY; Naperville, IL; Washington, DC; Plano, TX; San Diego, CA

Practice Areas


  • Employment Visas: Assists businesses and individuals with work visa applications, including H-1B, L-1, O-1, and E-2 visas.
  • Workplace Compliance and Audits: Guides employers in complying with immigration laws.
  • Deportation Defense: Represents clients in removal proceedings and assists with applications for relief such as asylum, cancellation of removal, or adjustment of status.
  • Asylum Applications: Assists individuals fleeing persecution in their home countries.
  • Naturalization and Citizenship: Guides individuals through the process of becoming U.S. citizens.
  • Family Immigration: Helps families reunite through petitions for spouses, children, parents, and fiancés.

Immigration Lawyers or Agents at Mayer Brown LLP

Maximillian Del Rey

Recent Case: 531 - Success Rate: Value: 100.00%.

View Maximillian Del Rey Profile

Grace Shie

Recent Case: 497 - Success Rate: Value: 100.00%.

View Grace Shie Profile

Emily England

Recent Case: 471 - Success Rate: Value: 100.00%.

View Emily England Profile

Maximillian L Del Rey

Recent Case: 110 - Success Rate: Value: 100.00%.

View Maximillian L Del Rey Profile

Emily E England

Recent Case: 48 - Success Rate: Value: 100.00%.

View Emily E England Profile

Shireen Karcutskie

Recent Case: 8 - Success Rate: Value: 100.00%.

View Shireen Karcutskie Profile

Catherine Toner

Recent Case: 4 - Success Rate: Value: 100.00%.

View Catherine Toner Profile

Max Del Rey

Recent Case: 2 - Success Rate: Value: 100.00%.

View Max Del Rey Profile

Dana Gottman

Recent Case: 1 - Success Rate: Value: 100.00%.

View Dana Gottman Profile

Lauren M Epstein

Recent Case: 1 - Success Rate: Value: 100.00%.

View Lauren M Epstein Profile