Peter J. Brennan
About Peter J. Brennan
Peter J. Brennan is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2025. Peter J. Brennan is recognized in the following practice areas:
- Chicago, Illinois
- Commercial Litigation
- Consumer Law
Current Firm: Jenner & Block LLP
Education: Georgetown University, J.D., graduated 1985
Location: Chicago, IL
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Alexander J. Bandza is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Alexander J., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexander J. is held by other top lawyers in the same geographic and legal practice area.
Robert E. Harrington III is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Railroad Law. Robert E., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert E. is held by other top lawyers in the same geographic and legal practice area.
Brooks B. Gruemmer is a corporate partner with a wide-ranging practice representing private equity and other investment funds and private and public companies, with an emphasis on mergers, acquisitions, divestitures, recapitalizations, joint ventures, and the related financing required to fund such transactions. Read full biography: https://www.mwe.com/people/gruemmer-brooks-b/
Kirsten Milton is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Kirsten, who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kirsten is held by other top lawyers in the same geographic and legal practice area.
With over 25 years of experience in the real estate industry, Linsey Cohen has navigated every corner of the field—from retail and office spaces to multifamily developments. Clients value Linsey for her deep knowledge of the real estate landscape and her proven ability to navigate complex transactions. Her impressive client portfolio includes investors and corporations with property interests spanning the United States. Linsey brings tireless business savvy to every deal, keeping transa...
Sean G. Wieber is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Sean G., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sean G. is held by other top lawyers in the same geographic and legal practice area.
Jennifer M. Cohen is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Jennifer M., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer M. is held by other top lawyers in the same geographic and legal practice area.
Having served as a former Assistant Attorney General for the State of Illinois and Assistant Corporation Counsel for the City of Chicago, Jack George is a valued leader who possesses a deep knowledge of real estate law. Jack focuses his practice on real estate, land use, and zoning matters. He is instrumental in shaping the Chicago skyline, and has worked on numerous notable development projects consisting of complex elements such as zoning map amendments, planned development applications, an...
Josh is a first-chair trial lawyer and counselor. Many of the world’s highest profile companies trust him to resolve disputes in ways that align with their business goals. Clients also seek Josh out before disputes arise, helping them to calibrate business strategies to reduce the risk of litigation or maximize leverage from potential claims. Many of Josh’s clients are in the retail, manufacturing, and real estate development industries. He has championed their rights in a host of...
Joseph A. Power Jr. is one of the founding partners at Power Rogers & Smith. A graduate of the University of Notre Dame and Loyola University, Mr. Power has practiced law for almost 40 years. He has worked on groundbreaking cases throughout his fruitful career in law, and at 28, he became the youngest lawyer in the nation to obtain a million-dollar-plus verdict for his client. He has been listed in the Best Lawyers in America every year since 1987 , was named one of the “Top Persona...
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.