Sidley Austin LLP

Immigration Law Firm

  • Recent Case: 2,506
  • Success Rate: 100%

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Contact Information


  • 312-853-7000
  • jfloss@sidley.com
  • 1 South Dearborn Street , Chicago , IL 60603

About Sidley Austin LLP


During the past three years, Sidley Austin LLP has filed 1,500 labor condition applications for H-1B visas, with 3 denials, and 1,006 labor petitions for employment based green cards, 7 of them were denied. 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: 1,500
  • Case Denied: 3
LC for Green Card(PERM)
  • Applications Filed: 1,006
  • Cased Denied: 7

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


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

Top Beneficiary Visas

H-1B; L-1; TN; H-4; O-1; F-1; E-3; E-2; B-1

Top Job Titles

Manager; Portfolio Manager/Senior Manager; Senior Consultant; Manager (Engineering); Senior Data Engineer; Client Engagement Manager; Senior Solution Architect/Tech Lead; Consultant; Principal/Director; Associate Principal, Clearing, Pricing & Risk Developer

Top O*NET Titles

Software Developers, Applications; Computer and Information Systems Managers; Software Developers; Software Developers, Systems Software; Data Scientists; Project Management Specialists; Database Architects; Computer Systems Analysts; Statisticians; Mechanical Engineers

Top Locations

Chicago, IL; Marlborough, MA; Dallas, TX; Northbrook, IL; New York, NY; Sunnyvale, CA; Fond Du Lac, WI; Plano, TX; Mettawa, IL; San Francisco, CA

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


Sidley Austin 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

Associate Principal, Software Engineering; Associate Attorney; Senior Data Engineer; Senior Software Engineer; Managing Associate Attorney ; Data Engineer; Software Engineer; It Business Systems Lead ; Data Scientist; Associate Principal, Cloud Engineering

Top Locations

Chicago, IL; New York, NY; Dallas, TX; Northbrook, IL; Marlborough, MA; Houston, TX; Fond Du Lac, WI; Loma Linda, CA; Princeton, NJ; Sunnyvale, CA

Practice Areas


  • Deportation Defense: Represents clients in removal proceedings and assists with applications for relief such as asylum, cancellation of removal, or adjustment of status.
  • Employment Visas: Assists businesses and individuals with work visa applications, including H-1B, L-1, O-1, and E-2 visas.
  • 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.
  • Workplace Compliance and Audits: Guides employers in complying with immigration laws.

Immigration Lawyers or Agents at Sidley Austin LLP

Timothy G Payne

Recent Case: 1269 - Success Rate: Value: 99.00%.

View Timothy G Payne Profile

Marketa Lindt

Recent Case: 778 - Success Rate: Value: 100.00%.

View Marketa Lindt Profile

David F Diorio

Recent Case: 324 - Success Rate: Value: 100.00%.

View David F Diorio Profile

John Floss

Recent Case: 61 - Success Rate: Value: 100.00%.

View John Floss Profile

Teodora G Zlatkova

Recent Case: 36 - Success Rate: Value: 100.00%.

View Teodora G Zlatkova Profile

John R Floss

Recent Case: 24 - Success Rate: Value: 96.00%.

View John R Floss Profile

Timothy Payne

Recent Case: 6 - Success Rate: Value: 100.00%.

View Timothy Payne Profile

Teodora Zlatkova

Recent Case: 6 - Success Rate: Value: 100.00%.

View Teodora Zlatkova Profile

Nicholas R Allchin

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

View Nicholas R Allchin Profile

Marketa A Lindt

Recent Case: 0 - Success Rate: Value: 0.00%.

View Marketa A Lindt Profile