About D.
D. Andrew Portinga: Experienced Commercial Litigator in Grand Rapids, Michigan
Since 1996, D. Andrew Portinga has been practicing law as a dedicated litigator with a broad scope of experience across federal and state courts.
Practice Areas
- General Commercial Litigation
- Insurance Coverage Litigation
- ERISA Litigation
- Appellate Litigation
D. Andrew Portinga has represented both Fortune 500 companies and family-owned businesses, handling a wide variety of complex commercial cases including:
- Oil and gas producers
- A manufacturer of implantable medical devices
- A national communications company
- The co-inventor of a popular ultrasonic toothbrush
- A chain of truck stops
Insurance Coverage Litigation:
- Held the position of Chair in Miller Johnson's insurance coverage practice group.
- Assisted policyholders in enforcing their rights to defense and indemnification from insurers, often involving substantial sums of money.
- Represented policyholders in obtaining coverage for property damage and environmental contamination at their businesses.
- Was an inaugural member of the governing council of the Insurance and Indemnity Law Section of the State Bar of Michigan.
ERISA Litigation:
- Served as Chair in the Defense Research Institute’s Life, Health, and Disability Litigation Committee.
- Had cases involving both employee welfare plans and pension plans litigated in Western District of Michigan, Eastern District of Michigan, and Sixth Circuit Court of Appeals.
Appellate Litigation:
- A former law clerk to the Chief Justice of the Michigan Supreme Court, Mr. Portinga has seen both the inside and outside of appellate processes.
- Had notable appeals in Federal Circuit, Sixth Circuit, Seventh Circuit, and Michigan Court of Appeals covering a range of topics such as ERISA, insurance, oil and gas law, and patents, including:
- Stryker v. XL Ins. Am., 735 F.3d 349 (6th Cir. 2012) - Successfully representing the policyholder in a multi-million dollar coverage dispute.
- Genawvich v. State Farm Insurance Co., No. 18-5726, 2020 WL 430922 (Mich. App. Jan. 15, 2020) - Representing the policyholder in an insurance coverage dispute.
- Simpson v. Farmers Ins., No. 286734-III (Mich. App. Dec. 19, 2018) - Representing the policyholder in a personal injury insurance coverage dispute.
- Simpson v. Farmers Ins., No. 286734-III (Mich. App. Dec. 19, 2018) - Representing the policyholder in a personal injury insurance coverage dispute.
Awards and Recognitions:
- Included in Best Attorney USA List since 2016.
- Certified as an AV-Preeminent Advocate by Martindale-Hubbell, indicating his peers rated him with the highest marks for both legal ability and ethical standards.
Professional Affiliations:
- Served on the Board of Directors for the Grand Rapids Bar Association.
- Held a position as an Adjunct Professor at Michigan State University College of Law, teaching advanced litigation courses.
Education & Credentials:
- Graduated from University of Detroit Mercy School of Law in 1993 with a Juris Doctor (J.D.) degree.
- Held an undergraduate degree in Political Science and Economics, also from the University of Detroit Mercy.
Firms:
- Currently employed as a partner at Miller Johnson LLP, leading their insurance coverage practice group.
- Made significant contributions to legal advancements while serving as an Adjunct Professor and Board Member at the University of Detroit Mercy School of Law.
Languages:
- Proficient in English, with additional knowledge of Spanish for client-facing matters.
Mentoring young attorneys is a core part of Mr. Portinga's philosophy; he actively encourages learning and growth through his involvement with organizations like the Grand Rapids Bar Association and by teaching at Michigan State University College of Law.
Practice Areas
Professional Affiliations
Awards & Recognition
- Lawyer of the Year: Litigation - Insurance, Grand Rapids (2026)
- Lawyer of the Year: Appellate Practice, Grand Rapids (2025)
- Lawyer of the Year: Insurance Law, Grand Rapids (2025)
- Lawyer of the Year: Litigation - Insurance, Grand Rapids (2024)
- Lawyer of the Year: Litigation - Insurance, Grand Rapids (2022)
- Lawyer of the Year: Insurance Law, Grand Rapids (2021)
- Lawyer of the Year: Appellate Practice, Grand Rapids (2019)
- Lawyer of the Year: Insurance Law, Grand Rapids (2016)
- Lawyer of the Year: Litigation - ERISA, Grand Rapids (2014)
- Recognized: Appellate Practice
- Recognized: Commercial Litigation
- Recognized: Insurance Law
- Recognized: Litigation - ERISA
- Recognized: Litigation - Insurance