Biography

Jonathan Stemerman advises clients in a wide variety of complex litigation, transactional and insolvency matters. He concentrates his practice in the areas of corporate, commercial and bankruptcy litigation, as well as corporate transactions, workouts and restructurings.

Jon has represented clients in numerous corporate and complex commercial litigation cases in Delaware and Pennsylvania. He frequently litigates matters in Delaware’s Court of Chancery, including actions involving breach of fiduciary duty, business divorce, receiverships, and books and records requests. Additionally, he represents both plaintiffs and defendants in breach of contract actions and other complex commercial disputes in state and federal courts.

He regularly serves as counsel to debtors, creditors and trustees in a wide variety of bankruptcy matters. Jon often represents plaintiffs and defendants in preferential transfer and fraudulent conveyance actions. He also advises clients in bankruptcy matters involving the sale or purchase of assets, assumption and assignment of leases and contracts, and intellectual property issues. He also assists debtors and creditors in out-of-court restructuring and workouts.

Further, Jon represents startups and emerging companies in transactional matters, including entity formation, investment rounds and wind downs.

Jon also counsels clients on D&O insurance coverage matters, including issues surrounding the duty to defend, priority of payment, advancement and indemnification. He has defended entities in Delaware in bad faith denial of coverage and advancement actions.

A certified Lean Six Sigma Green Belt, Jon leverages his skill set to provide cost efficiencies to his clients. He is also active in the American Bar Association, having held various leadership roles throughout his career.

Background

Prior to joining Armstrong Teasdale, Jon was a shareholder at another Delaware-area law firm. Before that, he spent several years at large East Coast law firms focusing on complex commercial litigation.

Following law school, he served as a clerk to the Hon. Randy J. Holland of the Delaware Supreme Court.

Education

  • Villanova University School of Law  (J.D., cum laude, 2003)
  • Colgate University  (B.A., 2000)
    • Pi Sigma Alpha, Political Science Honor Society

Admissions

  • Delaware
  • Pennsylvania
  • U.S. District Court, District of Delaware
  • U.S. District Court, Eastern District of Pennsylvania
  • U.S. Court of Appeals, Third Circuit

Professional Activities

  • Lean Six Sigma Green Belt
  • American Bar Association Business Law Section (Vice-Chair, E-Discovery Subcommittee, Business and Corporate Litigation Committee; Vice Chair, LLC Issues in Bankruptcy Subcommittee, LLCs, Partnerships and Unincorporated Entities Committee; Contributing Editor, Business Law Today)

Accolades

  • Turnaround Atlas Award for the Cross Border Special Situation M&A Deal of Year (sm) (2022)
  • Delaware Super Lawyers®, Rising Star (2012-2018)
  • American Bar Association (Business Law Fellow, 2016-2018)
  • James J. Manderino Award for Trial Advocacy (2003)
  • Villanova Law Review (Managing Editor)

Highlights

Thought Leadership

Colorado A-Companies: Options for Artists and Investors Nationwide

Advisory
News Item

Armstrong Teasdale Named a Champion for Diversity & Inclusion

Armstrong Teasdale has been named a Champion for Diversity & Inclusion by the St. Louis Business Journal. The firm was recognized for its sponsorship and mentorship programs, leadership development, employee resource groups, and workplace...

News Item

Missouri Lawyers Weekly Names Ty Ketchum to 2026 Employment Law Power List

Tyson Ketchum
News Item

Partners Lam, Waldman Quoted in National Media on Biscayne 21 Settlement

Jeffrey Lam and Glen Waldman
News Item

Armstrong Teasdale Secures Possession of Two Chicago High-Rises in Ground Lease Litigation

An Armstrong Teasdale litigation team successfully secured possession for its clients of two high-rises located on the 800 West block of Jackson Boulevard in Chicago, delivering a significant victory for the ground lessors in...

Event

Protect, Prevent, Defend: An In-House Counsel's IP Playbook

This CLE will provide in-house counsel with a practical framework for identifying, protecting, and defending their company’s intellectual property—from overlooked brand elements and creative works to innovations, software, and business processes. We’ll explore how...

Thought Leadership

Supreme Court Upholds SEC’s Disgorgement Power But Leaves Some Questions Unanswered

Advisory
Thought Leadership

What To Expect From Colorado's New Artist Co. Structure

Colorado recently enacted the Colorado Artist Company Act, a first-of-its-kind statute creating artist companies, or A-Corps — a variant of a Colorado limited liability company with certain artist-friendly default provisions. The act became effective...

Experience

Formation of Equity Joint Venture for $1 Billion Insurance Consortium

Represented a non-controlling owner in the formation of an equity joint venture that served as a managing general underwriter for a consortium of insurance companies with more than $1 billion in annual revenues, and...

Thought Leadership

Standards of Review Take Center Stage in Trademark Case Accepted by SCOTUS

Kyle Gottuso and Blake Chrismer
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