About Mario

Mario Nicholas is a senior associate in Stoel Rives’ Construction and Design group. Mario has assisted clients before federal and state courts, domestic and international arbitration panels, and administrative bodies. Mario prides himself on client service, and works tirelessly to resolve (or avoid) disputes economically and efficiently. He is licensed in Oregon, Washington and California, and counsels clients across a range of industries on construction and design issues.

Before joining Stoel Rives, Mario was an associate at Stewart Sokol & Larkin LLC in Portland, Oregon (2014-2018), and an associate with Valle Makoff LLP in San Francisco, California (2010-2013). Mario previously worked as a summer associate for Oracle Corporation in Redwood Shores, California (2009), a judicial extern for the Hon. William Q. Hayes of the U.S. District Court for the Southern District of California in San Diego, California (2008), and a market analyst for Jacobs Consultancy in London, England (2006-2007).

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Experience gained prior to joining Stoel Rives

  • Drafted briefing, managed discovery and assisted with two-day international arbitration hearing in multi-hundred-million-dollar construction dispute on behalf of surety clients.
  • Assisted as defense counsel in three-week jury trial filed by subcontractor against manufacturer and supplier of infrared welding machine by examining lay and expert witnesses, arguing motions, and advancing successful counterclaim for breach of contract.
  • Drafted briefing in successful interlocutory appeal to the Ninth Circuit regarding enforcement of arbitration agreement in engineering, procurement and construction (EPC) contract, resulting in a published decision.
  • Achieved favorable settlement on behalf of defendant engineering firm in million-dollar construction dispute after independently handling all depositions, document discovery, motion practice, and mediation.
  • Managed all aspects of complex construction arbitration to successful resolution on behalf of subcontractor advancing million-dollar claim against general contractor and large manufacturing corporation.
  • Successfully defended architect from defective design claims on state university athletic facility project.
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Honors & Activities

  • Member of practice group nationally ranked Tier 1 for Construction Law, 2010-2020 | Construction Litigation, 2015-2020, by U.S. News – Best Lawyers®Best Law Firms
  • Listed among Rising Stars (Business Litigation), Oregon Super Lawyers®, 2017-2019
  • Member, Multnomah Bar Association
  • Member, Oregon Hispanic Bar Association (OHBA)
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Insights & Presentations

Insights & Presentations

  • "When to Prepare for Project Disputes? Always." Daily Journal of Commerce, June 19, 2020
  • “Recession warnings piling up: a harbinger of liens?,” Daily Journal of Commerce, Sept. 19, 2019
  • “The Latest Trends, Threats and Solutions in the Construction Defect World,” 24th Annual Oregon Construction Law, The Seminar Group, Portland, OR, 2019
  • “Do We Have To? Arbitrating the Complex Surety Case,” American Bar Association, Fidelity & Surety Law Committee, Santa Fe, NM, 2018
  • “Arbitrating the Complex Surety Case” (coauthor), Managing and Litigating the Complex Surety Case, ABA Book Publishing, 2018
  • “Expert Witnesses,” Oregon Claims Adjusters Association, Portland, OR, 2017

Related News & Publications

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