Introduction
Zachary Osinski is an associate in Nixon Peabody’s Litigation group. He represents commercial entities in a wide range of matters across a variety of industries.
My focus
My practice focuses on helping clients navigate ongoing or potential disputes and litigation. I am involved in all aspects of the litigation process, and I provide efficient and proactive client service by finding creative and cost effective ways to manage disputes, and I also advise clients on how to avoid potential disputes all together.
I have litigated cases in both federal and state courts involving a broad spectrum of complex business disputes, including breach of contract, breach of fiduciary duty, business torts, construction litigation, real property disputes, corporate governance disputes, class actions, and enforcement of non-compete agreements, to name a few. I am experienced in responding to temporary restraining orders (TROs), orders to show cause, government or regulatory subpoenas, and most other litigation devices. While I focus primarily in Corporate Governance, Title IX, and Labor and Employment disputes, I have a broad experience and skillset that allows me to provide effective representation for most types of matters.
Looking ahead
Cybersecurity and data privacy issues will continue to rise, creating new risks and potential liabilities. As costs can be substantial, particularly if it involves highly technical issues, third-party litigation funds will become a significant resource in pursuing all types of claims.
In the news
Romania secures hold on ‘stolen’ El Greco as court filings reveal Dmitry Rybolovlev is its owner
June 21, 2025This article quotes a statement from NP, which is for representing the state of Romania in the legal dispute over ownership of an El Greco painting that was pulled from a Christie’s New York sale in February, following a claim by the Romanian government that the work belongs to its national collection. The NP team is led by Los Angeles Privacy & Technology partner Thaddeus Stauber, leader of the Arts & Cultural Institutions team, and counsel Aaron Brian of Los Angeles, and includes Complex Disputes partner Paul Downs of New York City, associate Zachary Osinski of Los Angeles, and practice assistant Heidi Gutierrez.
- Rochester Democrat & Chronicle
Rochester trial to decide ownership of million-dollar painting
June 4, 2024This article covers a trial over the ownership of Egon Schiele’s “Portrait of the Artist’s Wife” water-colored drawing. Thaddeus Stauber, Arts & Cultural Institutions team leader and Los Angeles Privacy & Technology partner, is quoted from the closing arguments and mentioned for representing the Robert Owen Lehman Foundation. The NP team also includes Rochester Complex Disputes senior counsel Carolyn Nussbaum, counsel Aaron Brian, and associate Zachary Osinski, both of the Los Angeles office.
- Rochester Business Journal
FTC steps up actions against VoIP providers to abet scammers
In his latest monthly column, Rochester Corporate partner Jeremy Wolk analyzes a recent action by the Federal Trade Commission to crack down on VoIP providers who turn a blind eye to their clients’ unlawful telemarketing practices. Washington, DC, Complex Commercial Disputes associate Brian Donnelly and Rochester Complex Commercial Disputes associate Zach Osinski contributed to the article.Jan 17, 2020 - Law360
Higher Education Should Note Recent Title VII Rulings
This expert analysis of recent circuit court decisions involving claims of discrimination on the basis of sexual orientation at colleges and universities was co-written by Albany government investigations and white-collar defense partner Tina Sciocchetti, Boston government investigations and white-collar defense associate Julianna Malogolowkin and Rochester commercial litigation associate Zachary Osinski.April 5, 2018
Admitted to practice
California
New York
U.S. District Court, Western District of New York
U.S. Supreme Court
U.S. District Court, District of Columbia
Education
University of Virginia School of Law, J.D.
Cornell University, B.S.
Recognition
- Selected, through a peer-review survey, for inclusion in Best Lawyers: Ones to Watch 2025 in the field of Commercial Litigation; listed in Best Lawyers: Ones to Watch since 2024"
Insights And Happenings
View AllProfessionals in the Practice Area
View AllJohn Ruskusky
Partner / Practice Group Leader, Complex Disputes- Chicago
- Office:+1 312.977.4460Mobile:+1 708.606.8720
- jtruskusky@nixonpeabody.com
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Daniel J. Hurteau
Office Managing Partner / Deputy Practice Group Leader, Complex Disputes- New York City
- Office:+1 518.427.2652
- dhurteau@nixonpeabody.com
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Joseph J. Ortego
Partner / Chair, NP Trial / Leader, Aviation- New York City
- Office:+1 212.940.3045
- jortego@nixonpeabody.com
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Carolyn G. Nussbaum
Senior Counsel- Rochester
- Office:+1 585.263.1558Mobile:+1 585.766.1480
- cnussbaum@nixonpeabody.com
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Christopher M. Mason
Partner / Deputy Leader, Class Actions & Aggregate Litigation / Leader, Arbitration Team- New York City
- Office:+1 212.940.3017
- cmason@nixonpeabody.com
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