John M. Callahan

Professional Biography

John M. Callahan is a partner and the Head of International Healthcare M&A in the law firm of McDermott Will & Emery LLP and is based in the Firm’s Chicago office.  He focuses his practice on mergers and acquisitions in the health services and life sciences industries.

  • More Legal and Business Bylines From John M. Callahan

Current Legal Analysis

House Proposes Cutbacks to Clean Energy Tax Credits
by: David Gillespie , Margaret J. Weil
A Legal Guide to the SBA’s Mentor-Protégé Program for Small Businesses
by: Aron C. Beezley
Is There A Contemporaneous Membership Requirement For LLC Inspections?
by: Keith Paul Bishop
How to Handle Pet Disputes in Community Associations
by: Adam M. Beaudoin , Hunter D. Cornelius
OSHA Issues Updated Guidance for Site-Specific Targeting Inspection Program
by: John Surma
The Employment Strategists Ep 13 - Hot Weather, Hot Takes, Dress Code in the Workplace [Podcast]
by: David T. Harmon , Mariya Gonor
Judge Jay Lobrano Appointed Local Tax Judge at the Board of Tax Appeals
by: Jesse (Jay) Adams
The First Amendment, Front and Center - SCOTUS Today
by: Stuart M. Gerson
Florida’s CHOICE Act Offers Employers Unprecedented Tools for Non-Compete + Garden Leave Agreements
by: Justin McConnell , Brian L. Hayden
Another FCA Cybersecurity Settlement Reinforces the Enforcement Trend
by: Joseph W. Swanson , Matthew D. Krueger
Biopharmaceutical Patent Litigation: Regeneron’s Defense Against Biosimilar Launches
by: Joshua Weisenfeld
Should Miller be Set Aside? Observations from a Recent U.S. Supreme Court Decision Regarding a Trustee’s Power to Set Aside Fraudulent Transfers
by: Patrick C. Maney
Filing EEO-1 Reports in 2025: Key Points Employers Need to Know
by: Abby M. Warren
DOJ Announces Long-Awaited Corporate Enforcement Priorities
by: Seth B. Orkand , Julianna M. Charpentier
Preliminary Injunction of Recent DoD + GSA Memo Means Federal Contractors Must Continue to Comply with Biden-Era Project Labor Agreement EO + FAR
by: Christian Clark , Richard F. Vitarelli

Upcoming Events