You Need a determined Appellate lawyer to fight for your rights
- Location
900 W. Jackson Blvd., Suite 6-East, Chicago, IL 60607
847-691-3571
Professional and Experienced Appellate Attorney
You've Come to The Right Place
James K. Leven is an accomplished post-trial and appellate attorney who represents his clients with skill, commitment and determination. He has authored briefs and presented oral argument to the justices of the United States Supreme Court, the Illinois Supreme Court, Illinois appellate courts and the federal courts.
You can rest assured that Mr. Leven will give your case the individual attention and best efforts that you deserve.
20+ Years of Experience
Formulates innovative strategies to tackle clients’ most difficult legal problems in appellate litigation, including criminal and civil appeals, and post-conviction petitions.
Collaborates with trial attorneys to win cases in the trial court or to preserve arguments for the appellate court.
Defining Success
Provides outstanding legal services, achieves favorable client outcomes, and upholds the highest ethical standards.
Practice Areas
Criminal Appeals
Attacks convictions and sentences in state and federal courts of appeal. Uncovers potential legal errors in the criminal trial through diligent and comprehensive legal research. Drafts persuasive appellate briefs to convince a higher court to reverse the lower court judgment. Presents concise oral argument to the judges of the appellate court to achieve a favorable outcome. Investigates the full range of available law, including constitutional, state, and federally-based claims. Determines whether the source of potential legal error is ineffective assistance of counsel, prosecutorial or judge-made error.
Post-Conviction Petitions
Represents clients in post-conviction proceedings. Drafts and litigates post-trial motions, Illinois post-conviction petitions and federal habeas petitions challenging criminal convictions and sentences in state and federal courts. Investigates how wide-ranging sources of law can benefit the client. These sources of law often lead to uncovering constitutional violations, newly discovered evidence, and ineffective assistance of counsel.
Civil Appeals
Advocates for clients, either plaintiff or defendant, in civil appeals. Represents both the party appealing the trial court judgment or the party defending the judgment. Writes appellate briefs and presents persuasive oral argument to challenge or defend trial court judgments.
Professional And Experienced Appellate Law Attorney
Why Choose James K. Leven

Outstanding Legal Skill
Tailors legal strategies that conform each client's unique needs. Goes extra mile to achieve best outcome for clients in their civil and criminal appeals.

Transparent Fees
Conducts upfront discussions about legal options, fees and case progress. Ensures attorney fees and court costs are communicated to client clearly without hidden elements or barriers.

Unparalleled Customer Service
Provides prompt attention to client's inquiries, clear communication, and timely updates.
2000+
Client Consutations
93%
Successful Cases
40+
Professional Attorneys
20mlns
Recovered Cost
