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John J. Jenkins

The Calfee Building, 1405 East Sixth Street Cleveland, Ohio 44114-1607
Firm: Calfee, Halter & Griswold LLP
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Calfee, Halter & Griswold LLP

Years In Practice

Phone Number (216) 622-8507

John Jenkins is a Partner with Calfee's Corporate and Capital Markets practice group. He advises publicly and closely held corporate clients on securities and capital market issues; mergers, acquisitions and divestitures; and general corporate law. He also represents companies and individuals involved in Securities and Exchange Commission and stock exchange investigations and enforcement proceedings.

John’s experience includes representing issuers and underwriters of debt and equity securities in more than 100 underwritten public and Rule 144A offerings; negotiation of mergers, stock and asset acquisitions and divestitures involving private and public companies; counseling directors on fiduciary obligations in connection with proposed change of control transactions and disclosure obligations under the federal securities laws; and counseling investment bankers in connection with mergers and acquisitions, fairness opinions, financings and other engagements.

He has represented targets of SEC, SRO and stock exchange investigations and enforcement proceedings and has served as counsel to corporations and board committees conducting internal investigations involving allegations of misconduct.

John has experience representing clients ranging in size from start-ups to Fortune 500 companies, and his practice has included representation of investment banks and other financial institutions, consumer products companies, multinational manufacturing businesses, software and technology companies and domestic and international oil and gas exploration and coal mining companies.

John is routinely recognized for his work in Corporate/M&A by Chambers USA. In 2020, Chambers USA researchers noted that John is "very well-regarded and has attained a great reputation for his corporate law practice. Clients describe him as 'very responsive, pragmatic and a technical expert.'"

In 2019, clients reported to Chambers USA that John has a "huge depth of knowledge, can answer anything and is smart and resourceful."

John has been selected for inclusion in The Best Lawyers in America© (2008-2021) for Corporate Law and Securities/Capital Markets Law. IFLR1000 ranked John as "Highly Regarded-Ohio" in the areas of Capital Markets: Debt and Capital Markets: Equity (2018-2020).

He has taught mergers and acquisitions law at Cleveland-Marshall College of Law and has been a guest lecturer at The Weatherhead School of Management, Case Western Reserve University.

John also has served as chairman of the Securities Law Section of the Cleveland Bar Association, and as a member of the Catholic Diocese of Cleveland Budget Committee, the Canisius College Board of Regents and the Board of Directors of the Western Reserve Historical Society.

In addition to his position with the firm, John serves as a Senior Editor for and, and edits The Corporate Counsel and Deal Lawyers print newsletters. He is a frequent speaker on securities and corporate law topics. He is the author of several books, including The Practical M&A Treatise and The In-House Accelerator, and more than 50 articles, which have appeared in publications such as The Business Lawyer, Business Law Today, The Corporate Governance Advisor, The Corporate Counsel and Deal Lawyers.

John began his tenure with Calfee in 1986 and was elected partner in 1996.

What legal services does this lawyer offer?
Lawyer of the Year recognition for John J. Jenkins
Named "Lawyer of the Year" by Best Lawyers® for:
Securities / Capital Markets Law, Cleveland (2012)
  • Chambers USA, Corporate/M&A, Band 2 (2006-2020
  • IFLR1000 – Guide to the World’s Leading Financial Law Firms, “Highly Regarded Attorney," Capital Markets: Debt and Capital Markets: Equity (2019-2020)
  • IFLR1000 Elite Dealmaker, Capital Markets: Debt and Capital Markets: Equity (2018)
  • The Best Lawyers in America©, Corporate Law, Securities/Capital Markets Law (2008-2021)
University of Virginia, J.D.
Graduated 1986
Canisius College, B.A.
Graduated 1983
Contact Details and Office Locations
The Calfee Building, 1405 East Sixth Street
Cleveland, Ohio 44114-1607
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