Margaret (Margie) O'connor

Margaret (Margie) O'connor

Attorney at Law

Licensed in
Loyola University Chicago College of Law
Margie graduated from Loyola University Chicago law school and has a B.S. in Math from Notre Dame. She is a generalist with specializations in litigation, intellectual property, contracts, and project management. While she has worked in a variety of corporate, big firm, and government environments, she prefers working with corporate law departments, helping them manage legal issues and improve processes in an efficient, budget conscious, and risk-appropriate manner.

Margie lives in Chicago and represents clients throughout the country. She is a Navy veteran turned lawyer, whose experience includes 6+ yrs as in-house counsel, 6+ yrs at a
… read more large law firm, and 2 yrs as a federal law clerk.
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Representative Clients

Work History

Freelance Attorney

Senior Counsel

As a freelance attorney, I help other attorneys (corporate counsel or law firm attorneys) manage special legal projects efficiently and effectively. For example, I handle contract review, litigation support (research, drafting motions and memos, managing discovery), intellectual property management, policy revision, and assist with budgets, vendors, RFPs, and other misc.projects.

Hollister Incorporated

Corporate Counsel

I was responsible for environmental, health, safety, advertising/social media/privacy, regulatory, and quality issues, while managing a litigation docket consisting of foreign and domestic commercial, employment, and patent cases. I also managed a global patent and trademark portfolio, and was responsible for budget planning and outside counsel management on all matters.

Federal Judiciary - Northern District of Illinois (Chicago)

Law Clerk for Judge Elaine Bucklo

Independently and conscientiously managed a very demanding caseload of complex litigation with strict deadlines. Conducted thorough legal research and analysis on procedural and substantive legal issues in a variety of practice areas, drafted opinions, prepared bench memoranda, and generally assisted the judge with matters before the Court.

Fenwal, Inc. (now a Fresenius Kabi company))

Intellectual Property Counsel

Headed the global intellectual property function, managing the entire range of patent, copyright, trademark, trade secret, licensing, and litigation matters through Fenwal's transition from division of a multi-billion dollar public company to independent company under private equity ownership.

Mayer Brown


On the transactional side, I performed diligence searches and drafted and negotiated contracts relating to acquisition, sale, and licensing of intellectual property in various industries. I managed trademark portfolios and counseled clients on trademark and copyright issues and did legal research, brief writing, discovery management, and trial support for patent litigation matters.

United States Navy and Naval Reserve

Surface Warfare Officer

NROTC (Naval Reserve Officer Training Corps - scholarship) Notre Dame
Communications Officer on the USS SUPPLY (AOE 6)
Electrical Officer and Navigator on the USS CHANCELLORSVILLE (CG 62)
Naval Reserves - Great Lakes Naval Base
IRR (Individual Ready Reserve)

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