Catherine Basque Weiler


Catherine is the chair of the firm’s Appellate Practice Group and focuses her practice on trial practice and appeals. She has briefed more than 100 cases involving a wide range of litigation topics in various state and federal courts of appeal, including the Seventh Circuit, all Illinois appellate districts, the Colorado appellate court and the North Carolina appellate court. She also has extensive experience as an oral advocate, and presents argument regularly to the Seventh Circuit and the Illinois Appellate Court.

In addition to her appellate practice, Catherine actively represents clients in the state and federal trial court though all phases of litigation, from case inception through trial, primarily defending legal malpractice, commercial, product, and premises liability claims. Catherine’s wide-ranging appellate practice and knowledge of procedure gives her a unique perspective on case strategy. As such, she also acts as a strategy consultant and substantive motion practice specialist in complex cases. Prior to joining the firm, Catherine acted as an Assistant Illinois Attorney General in the Civil Appeals Division, representing state agencies and representatives, and the People of Illinois, before all Illinois appellate courts and the Seventh Circuit.


Appellate Practice
Commercial Litigation and Business Disputes
General Trial Practice
Product Liability

Memberships & Affiliations

  • Illinois Women's Bar Foundation
    • Vice President, 2010-2013
    • Board Member, 2008-present
  • Illinois Appellate Lawyers Association
    • Board of Directors, 2013-2015
  • Seventh Circuit Bar Association
  • Chicago Bar Association
    • Special Projects Coordinator, 2004-2007
  • University of Notre Dame Alumni Association
  • Chicago Inn of Court


  • Selected for inclusion in Illinois Super Lawyers - Rising Star Edition in 2010-2014


Chicago, December 20, 2018
Law360 Quotes Weiler on Biggest Illinois Decisions of 2018
Weiler named Peraino v. The County of Winnebago et al. as a noteworthy decision this year.

Chicago, September 7, 2018
Law360 Profiles Swanson, Martin & Bell, LLP for 2018 Illinois Regional Powerhouse Series
According to the article, "Swanson's attorneys have flexed their muscles in several Illinois courtrooms this year, helping to fend off more than $100 million in claimed damages in several suits rooted in the firm's more institutional areas of practice."

Chicago, Lisle, Libertyville, Madison County, January 23, 2018
Swanson, Martin & Bell, LLP Attorneys Named Leading Lawyers, Emerging Lawyers for 2018
Those designated Leading Lawyers were recommend by their peers to be among the top lawyers in Illinois.

Chicago, January 4, 2018
Schichtel, Weiler Successfully Appeal Apparent Agency Question to Illinois Supreme Court
The related policy issues affect hospitals, medical facilities, and charity care throughout Illinois.

Chicago, August 15, 2017
Chicago Daily Law Bulletin Highlights Appellate Court Ruling in Noncompete Case
According the article, "in a ruling that broke new legal ground Monday, a state appeals panel found that connecting with a former colleague on a social media platform is not enough to violate a noncompete agreement."

Chicago, November 2, 2016
Appellate Court Affirms Dismissal of Professional Negligence Claim

July 1, 2016
Bell, Weiler and Sphar Win Opinion in Employment Discrimination Case
The opinion affirmed a jury verdict for their client, a medical corporation, in an employment discrimination case.

Chicago, January 8, 2016
Nickels Hosts Presentation for Notre Dame Law Students
Almost 50 Notre Dame Law School students came to Swanson, Martin & Bell, LLP's Chicago office to learn about various types of law practiced by fellow alumni.

Chicago, June 26, 2015
Schichtel, Weiler and Schneider Win Opinion in Illinois Appellate Court for Hospital Client
The opinion affirmed a summary judgment for Swanson, Martin & Bell, LLP's client and clarifies the scope of agency law in Illinois.

Chicago, January 13, 2015
Becker, Weiler Win Appeal before the Illinois Second District Appellate Court
The win affirmed a summary judgment on behalf of their client, a national homebuilder in a large homeowner class action.

Chicago, January 13, 2014
Illinois Super Lawyers Recognizes 39 Swanson, Martin & Bell, LLP Attorneys
Swanson, Martin & Bell, LLP announces that 39 of its attorneys have been selected for inclusion in the 2014 Illinois Super Lawyers and Rising Stars lists.

Chicago, January 8, 2014
Fardy Wins IP Bench Trial on Patent Ownership and Fraud Issues
The client won a declaratory judgment on patent ownership issues as well as counterclaims of fraudulent concealment and fraud misrepresentation.

Chicago, June 25, 2013
Weiler Named Director of Appellate Lawyers Association
Weiler was sworn in earlier this month for a two-year term.

Chicago, January 3, 2013
Illinois Super Lawyers Recognizes 39 Swanson, Martin & Bell, LLP Attorneys
Swanson, Martin & Bell, LLP announces that 39 of its attorneys have been selected for inclusion in the 2013 Illinois Super Lawyers and Rising Stars lists.

Chicago, January 3, 2012
Illinois Super Lawyers Recognizes 34 Swanson, Martin & Bell, LLP Attorneys
Swanson, Martin & Bell, LLP announces that 23 of its attorneys were recognized as Illinois Super Lawyers, while 11 others were recognized as Rising Stars.

Chicago, November 14, 2011
Swanson, Martin & Bell, LLP Joins ILSCCP Mentoring Partnership
The ILSCCP Lawyer-to-Lawyer Mentoring Program pairs new associates with partners who provide professional guide and practical guidance.

Chicago, Lisle, Libertyville, January 19, 2011
Thirty Swanson, Martin & Bell Attorneys Selected for 2011 Illinois Super Lawyers and Rising Stars
Swanson, Martin & Bell, LLP is pleased to announce that 21 of its attorneys have been selected for inclusion in the 2011 Illinois Super Lawyers list.

Chicago, May 6, 2010
Swanson, Martin & Bell, LLP Elects Three New Partners
Swanson, Martin & Bell, LLP announces the elevation of Richard J. Keating, Jr., Susan E. Sullivan and Catherine Basque Weiler to partner.

Chicago, Lisle, Libertyville, April 9, 2010
Twenty-Five Swanson, Martin & Bell Attorneys Selected for Inclusion in 2010 Illinois Super Lawyers and Rising Stars
Swanson, Martin & Bell, LLP announces that 17 of its partners have been selected for inclusion in the 2010 Illinois Super Lawyers list.

  • Bar Admissions
  • Court Admissions
  • Education
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