Mackenzie Hughes
Attorneys
Mary Anne Cody
Stephen S. Davie
Ryan T. Emery
Richard C. Engel
Clayton H. Hale, Jr.
Mark T. Harrington
Elizabeth Hartnett
Stephen T. Helmer
W. Bradley Hunt
Richard P. James
Christian P. Jones
Ami S. Longstreet
Maureen E. Maney
Frederick W. Marty
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Bradley J. Moses
Edward J. Moses
James H. Nicoll
Gay M. Pomeroy
Ramon E. Rivera
Anne B. Ruffer
Mark R. Schlegel
Barry M. Shulman
John J. Sierotnik
Neil J. Smith
Edward J. Spencer III
Mark W. Wasmund
Jennifer Ploetz Williams

OF COUNSEL
Alfred W. Popkess
Arthur W. Wentlandt

PROFESSIONALS
Benjamin R. Walsh

RETIRED
Kenneth E. Ackerman
Dennis R. Baldwin
David M. Garber
Carter H. Strickland
John J. Sierotnik
direct dial: 315.233.8210
email: jsierotnik@mackenziehughes.com

Areas of Practice include:

Business
Intellectual Property & Technology
Litigation
Mergers & Acquisitions

Latest Blog Posts

06/01/2017Nine legal concepts that affect your investment if you make a non-controlling (minority) investment in a business.

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12/18/2015Why Your Partnership Needs a Formal Agreement



John Sierotnik joined Mackenzie Hughes in 2014. His practice areas include business, intellectual property and technology, litigation and mergers and acquisitions.

John graduated cum laude from Catholic University in 2005 with a degree in Politics. John received his Juris Doctor from Notre Dame Law School in 2014, where he graduated magna cum laude and was honored as a Deanís Circle Fellow.

During law school, John served as an articles editor for the Notre Dame Journal of Law, Ethics, and Public Policy. The journal published his student note, "Golan v. Holder, the Copyright Clause, and the Changing Public Policy Underlying Copyright Law in the United States," in volume 28. John received a Deanís Award for the best appellate brief in his legal writing section. He also received Deanís Awards in Cyberlaw, Professional Responsibility, Evidence, Information Technology Law, Trusts and Estates, Taxation of Business Enterprises, and Real Estate Transactions.

John brings substantial information technology experience to Mackenzie Hughes. Prior to practicing law John worked closely with clients and senior management to develop technology solutions for business challenges.

In his spare time, he enjoys training for marathons, cycling, and playing the piano.

 

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