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The Guerin Law Firm litigates business, probate and commercial litigation matters. Regis Guerin has tried several cases to verdict, and has also argued before the California Court of Appeal. Mr. Guerin recently tried a matter on behalf of a bank against loan guarantors and prevailed, resulting in an award of the full amount of damages requested, in addition to attorneys' fees and costs by subsequent motion.  Some of Mr. Guerin's past commercial litigation results are as follows:

  • Tried a two-month bench trial in the Ventura Superior Court in Partition/Breach of Fiduciary Duty matter arising out of ownership of real property, obtaining judgment for Partition and a complete defense verdict on claims asserted against client.
  • Successfully settled Trust litigation matter venued in the United States District Court for the Southern District of California, wherein Beneficiary client alleged several breaches of fiduciary duty by the Trustee, arising out of funds emanating from a sale of property of the Trust.
  • Represented a bank in Breach of Guaranty litigation against Guarantors on a large commercial loan made to clothing manufacturer, resulting in judgment of $17,301,167.54 against the Guarantors.
  • Represented large financial institution in litigation against Borrower and Guarantor, resulting in recovery of a 2001 Crescent Beach Motor Yacht and deficiency judgment against of $5,857,308.05 against Guarantor.
  • Represented large financial institution in litigation against Borrower and Guarantor, resulting in recovery of a 2008 Bombardier Challenger 300 model BD-100-1A10 aircraft and deficiency judgment against of $5,074,613.18 against Guarantor.
  • Represented a lender in litigation against Borrowers on a series of large commercial loans made to Borrowers, resulting in judgments of $4,459,161.88 and $369,434.41 against the Borrowers.
  • Represented a lender in post-foreclosure binding arbitration proceeding against Guarantors on a construction loan, resulting in a judgment of $1,301,751.08 against Guarantors.
  • Represented a bank in post-foreclosure trial by reference proceeding against Guarantors on a real estate secured loan, resulting in an award in excess of $600,000.00 against Guarantors. 

Mr. Guerin has also handled a variety of real estate disputes, partnership, membership and shareholder disputes, lease disputes and other general business litigation matters.  Mr. Guerin is experienced in judgment collection actions, provisional remedies (receiverships, writs of attachment, writs of possession, temporary restraining orders, etc.), and unlawful detainer cases.


The Guerin Law Firm litigates a wide variety of general litigation cases, including:  

  • Commercial Collection cases  
  • Construction related (mechanic's lien, contract) cases  
  • Employment cases 
  • Serious accident and injury cases  


The Guerin Law Firm also handles a wide variety of business contracts relating to technology transactions, loan transactions, real estate matters, end user license agreements, buy-sell agreements, shareholder agreements, partnership agreements, trademark licensing agreements, reseller agreements, independent contractor agreements, service contracts, bills of sale, talent agreements, distributor agreements, supply chain agreements, settlement agreements, forbearance agreements, and other business related contracts.  

Mr. Guerin has also prepared commercial and residential lease agreements, deeds of trust, escrow instructions and other real estate related documentation.  Mr. Guerin also prepares trusts, wills, advance health care directives, and other estate planning documentation.  

The lawyers at the Guerin Law Firm will aggressively pursue all avenues of recovery for their clients in litigation matters.    

THE GUERIN LAW FIRM 4667 MacArthur Boulevard, #300 Newport Beach, California 92660 (949) 520-1803