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  1. Professionals

Sam Falcon Trimbach

Associate

Chicago

+1 312-558-7552

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  • Overview
  • Experience
  • Credentials
  • Insights & News

Sam counsels clients on environmental issues and helps them navigate federal, state, and local regulations. He assesses environmental risk in corporate transactions, advocates for clients in contact with regulators, guides clients in litigation, and helps clients achieve regulatory compliance.

Sam provides assistance on a variety of corporate transactions, including representing buyers, sellers, and lenders. He works on transactions in a range of industries, including automotive, textiles, packaging, food goods, and energy. For each transaction he works on, he helps identify and characterize environmental risks so they can be properly mitigated through contractual provisions.

Sam has experience representing clients in lawsuits involving complex environmental indemnity provisions and arising under CERCLA and similar state statutes. His experience includes handling several aspects of the litigation process, including factual investigation, preparing for and taking fact depositions, working with experts as they draft their reports, and preparing for expert depositions.

Sam has experience assisting clients in communications with regulators in a variety of situations, including requesting the issuance of comfort letters, negotiating permit provisions, and advocating in disputes over potential violations. He also has experience helping clients understand and comply with reporting requirements related to spills, wastewater bypasses, and the discovery of historical contamination.

During law school, Sam served as a Research Assistant to Professor Nadav Shoked, for whom he conducted research and edited articles related to property law and local government issues.

He was previously a summer extern for the Honorable Marvin E. Aspen of the U.S. District Court, Northern District of Illinois.

Recent Experience

KeHE Distributors' Acquisition of DPI Specialty Foods
ProFrac Holdings Corp. Affiliate's Acquisition of Performance Proppants
ProFrac Holdings II, LLC, Acquires Monarch Silica, LLC
Oterra Acquisition of Food Ingredient Solutions
Seven Oaks Acquisition Corp. Business Combination with Boxed, Inc.
Incodema Holdings' Acquisition of Majestic Metals
Incodema Holdings' Acquisition of Dahlquist Machine
Frontenac Co.'s Acquisition of Newterra Group Ltd.
John Eagle Auto Group's Sale of Four Automobile Dealerships to Lithia Motors, Inc.
John Eagle Auto Group's Sale of Six Automobile Dealerships to Lithia Motors, Inc.
View All Related Matters

  • Chambers USA, “Associates to Watch,” Environment: Mainly Transactional (2021–2024)
  • “The Lawdragon Green 500: The 2024 Leaders in Environmental Law”
  • The Legal 500 US, “Key Lawyer,” Environmental Litigation, 2024
  • “Lowden-Wigmore Award,” received for writing the best student Note/Comment published in the Journal of International Law and Business as part of Volume 37
  • “Arlyn Miner Book Award,” received for writing the best briefs in his first year legal writing course (one student selected from each legal writing section)
  • Dean’s list

  • Member, Environmental Law Institute
  • Member, American Bar Association
  • Member, Chicago Bar Association

Capabilities

Environmental
Environmental Litigation & Enforcement
Transactions
Private Equity
Mergers & Acquisitions
Litigation/Trials
Commercial Litigation & Disputes
Automotive & Mobility

Recent Experience

KeHE Distributors' Acquisition of DPI Specialty Foods
ProFrac Holdings Corp. Affiliate's Acquisition of Performance Proppants
ProFrac Holdings II, LLC, Acquires Monarch Silica, LLC
Oterra Acquisition of Food Ingredient Solutions
Seven Oaks Acquisition Corp. Business Combination with Boxed, Inc.
Incodema Holdings' Acquisition of Majestic Metals
Incodema Holdings' Acquisition of Dahlquist Machine
Frontenac Co.'s Acquisition of Newterra Group Ltd.
John Eagle Auto Group's Sale of Four Automobile Dealerships to Lithia Motors, Inc.
John Eagle Auto Group's Sale of Six Automobile Dealerships to Lithia Motors, Inc.
View All Related Matters

Credentials

Education

Sam received his J.D., cum laude, from Northwestern University School of Law in 2017, where he was Managing Editor of the Journal of International Law and Business. Sam was also co-chair of the Student Bar Association-Technology Committee and a team captain with Street Law. He received his B.A., with honors, in geophysical sciences and history, philosophy, and social studies of science and medicine, from the University of Chicago in 2011. 

    Admissions
    • Illinois

    Related Insights & News

    • Co-author, “NY Plastic Pollution Verdict May Not Bode Well For Other Suits,” Law360, January 2025

    • "California’s First-in-the-Nation Climate Disclosure Laws Will Move Forward with Limited Delay Under Recent Amendment," Winston’s Environmental Law Update, Oct. 17, 2024
    • "Legal & Regulatory Update: From Greenwashing to New Climate Disclosure Rules," Manufacturers Alliance, Sustainability Council Meeting, Oct. 12, 2023
    • “The Evolving PFAS Legal Landscape,” Webinar, Jun. 28, 2023 
    • "The Evolving PFAS Regulatory Landscape," Food and Beverage Environmental Conference, Apr. 26, 2022
    • "PFAS Regulatory and Litigation Update," Chicago Bar Association, Environmental Law Committee Meeting, Jun. 16, 2020
    • "The Present and Expected Future of PFAS Regulation and Litigation in the United States," Manufacturers Alliance on Productivity and Innovation, Environmental, Health & Safety Council Meeting, May 28, 2020
    • “The Evolving PFAS Regulatory Landscape” Webinar, Jun. 5, 2019 
    • “Giving the Market a Microphone: Solutions to the Ongoing Displacement of U.S. Workers through the H1B Visa Program,” Volume 37, NW Journal of International Law and Business, 275, 2017
    Recognitions
    Winston & Strawn Advised on Four Winning Deals Recognized at IJGlobal’s 2024 Awards Gala

    March 13, 2025

    Recognitions
    Winston Advises on PFI Americas Awards Renewable Deal of the Year

    February 27, 2025

    Webinar
    Winston & Strawn and the Environmental Law Institute Host Plastics and Packaging Webinar

    February 12, 2025

    Blog
    Novel Theory of Liability Against Food and Beverage Manufacturers For Plastics Pollution Fails First Test

    December 23, 2024

    Blog
    California’s First-in-the-Nation Climate Disclosure Laws Will Move Forward with Limited Delay Under Recent Amendment

    October 17, 2024

    Blog
    Microplastics Policy: Is Federal Preemption a Viable Defense?

    September 18, 2024

    Recognitions
    Winston & Strawn Recognized in The Legal 500 U.S. 2024

    June 12, 2024

    Recognitions
    Winston & Strawn Recognized in Chambers USA 2024

    June 6, 2024

    Recognitions

    Winston Attorneys Featured on Lawdragon’s Green 500: The 2024 Leaders in Environmental Law List

    February 2, 2024

    Blog
    Newly Enacted California Climate Bills Create Sweeping Disclosure Requirements for Companies Across the Country

    October 17, 2023

    Recognitions
    Winston & Strawn Recognized in Chambers USA 2023

    June 6, 2023

    Blog
    It’s Official: EPA Approves Phase I Standard ASTM E1527-21 as Meeting All Appropriate Inquiry, Effective February 13, 2023

    January 26, 2023

    View All Insights & News

    Capabilities

    Environmental
    Environmental Litigation & Enforcement
    Transactions
    Private Equity
    Mergers & Acquisitions
    Litigation/Trials
    Commercial Litigation & Disputes
    Automotive & Mobility
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