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John Oh

John Oh

Senior Litigation Attorney

Meet Your Attorney

John Oh brings a unique perspective to Focus Law, shaped by his personal journey and cultural background. Born in Korea, John immigrated to the United States at the age of four. Growing up in America, he embraced the opportunities and challenges of his new home while remaining deeply connected to his Korean heritage. Having arrived in the United States at such a young age, John’s English language skills developed naturally, and combined with his maintained proficiency in Korean, he navigates seamlessly between the cultural and business landscapes of the United States and Asia, providing valuable insights and understanding to clients with diverse backgrounds and international interests.

With an impressive career spanning over two decades, John has established himself as a seasoned veteran in the field of business litigation. His wealth of experience, coupled with his keen understanding of the intricacies of both American and Asian business practices, positions him as an invaluable asset to our clients. John’s approach to litigation is firmly grounded in Focus Law’s core values, ensuring that our clients receive the highest level of service and the most effective strategies for achieving their objectives.

From the outset of his career, John recognized the power of creative thinking in the legal realm, and he has consistently demonstrated his ability to think outside the box when tackling complex legal challenges. John’s creative approach has been instrumental in breaking through impasses and propelling cases forward, often in high-stakes litigation matters.

At Focus Law, we take immense pride in the caliber of our litigation team, and John Oh is a shining example of the expertise and dedication we bring to every case. Our clients benefit greatly from John’s creative problem-solving skills and his unwavering commitment to their success. Whether through mediation, arbitration, or trial, John and the entire Focus Law team work tirelessly to resolve matters efficiently and effectively, always keeping our clients’ best interests at the forefront.


  • Member of the State Bar of California since 1999
  • Licensed California Real Estate Broker since 2004


  • Experienced litigator with a comprehensive practice encompassing:
    • Civil, business, and employment litigation
    • Business formations and transactions
    • Family law matters
    • Bankruptcy cases
    • Unlawful detainer disputes
  • Skilled negotiator who secured a $750,000 settlement in a breach of contract dispute involving the sale of a medical supply business
  • Effective advocate who obtained a favorable settlement for a minority partner against majority partners in a multi-million dollar real property investment dispute
  • Accomplished strategist who achieved summary judgments against:
    • A logistics company’s $1,000,000 breach of contract and fraud action
    • A legal malpractice action seeking damages exceeding $1,500,000
  • Experienced litigator with a strong track record of success in both trial and appellate courts:
    • Overturned a trial court’s judgment against a general contractor’s $300,000+ damage claim (Arkius, Inc. v. Hyundae Health Center, Inc., 2011 WL 4448552 (Cal.App. 2 Dist.))
    • Obtained a Writ of Mandate, overturning a Superior Court order requiring a client’s appearance at a debtor examination in a family law matter (In Re Marriage of Camerlingo, 2012 WL 2515979 (Cal.App. 4 Dist.))
    • Overturned a temporary restraining order (Green v. Negrette, 2007 WL 1697008 (Cal.App. 4 Dist.))
  • Skilled litigation attorney who successfully defended a seller of a $9,000,000 apartment building in arbitration against the buyer’s breach of contract and promissory fraud claims.
  • Effective attorney who negotiated favorable settlements in:
    • Employment discrimination and wage and hour dispute cases
    • Breach of warranty habitability cases
  • Experienced corporate law attorney who represented shareholders and church elders in petitions to determine the validity of director appointments pursuant to the Corporations Code
  •  Knowledgeable bankruptcy attorney who successfully negotiated settlements of adversary complaints for nondischargeability, often achieving resolutions for a fraction of the original judgment or requested damages


  • Juris Doctor, University of San Diego, School of Law, June 1999
  • Bachelor of Arts in Economics, University of California, Los Angeles, June 1993

Client Review

"I highly recommend attorney Tony Liu for anyone who needs legal assistance. An invalid subpoena was served on me, but Tony resolved it quickly and effectively. Tony's expertise and professionalism saved me a lot of time, money, and stress. He did an amazing job and I am very grateful for his service. Thank you, Tony!"
Annie Park
Client Review