Business and Corporate Litigation and Arbitration

For over two decades, O’Hare Parnagian LLP has successfully represented clients in hundreds of litigations and arbitrations, serving both plaintiffs and defendants in federal and state courts, as well as before national and international tribunals. These matters have encompassed some of the most complex business disputes, ranging from post-closing balance sheet adjustments and earnouts to high-stakes breaches of contract. OP is known for combining rigorous legal analysis with practical, business-minded strategies that consistently protect our clients’ interests.  

The breadth and depth of our experience is exceptional for a firm of our size. Our attorneys are adept at quickly analyzing intricate issues and positioning matters to achieve the most favorable outcomes for our clients.Because we operate with focused teams, we can offer the same caliber of representation as much larger firms while delivering agility, responsiveness and efficiency that clients value. Global and national law firms frequently rely on our expertise to provide strategic assistance on matters involving their own clients, and we seamlessly collaborate as part of larger teams or act independently when engaged directly.  

Our long-sanding professional relationships with highly regarded lawyers in specialized practice areas enhance our ability to deliver comprehensive solutions when discrete issues arise. This network allows us to tailor our approach to each matter and ensures that clients benefit from both our litigation strength and targeted subject-matter knowledge. Our reputation for through preparation, strategic thinking, and effective advocacy has earned us the trust of sophisticated clients and peers alike.  

Representative areas of the firm’s business and corporate litigation and arbitration practice include: 

  • Corporate and Partnership Dissolutions 
  • Shareholder Exclusion and Squeeze Outs 
  • Sale and Merger Agreements 
  • Fraud 
  • Breach of Fiduciary Duty 
  • Breach of the Duty of Loyalty 
  • Post-Closing Adjustments 
  • Post-Acquisition Earnouts 
  • Foreclosure 
  • Corporate Theft and Defalcation 
  • Energy Transportation Contracts 
  • Construction Contracts 
  • Precious Gems 
  • Breach of Service and Supply Agreements 
  • Shareholder Derivative Actions