John R. Posthumus
About John R. Posthumus
John R. Posthumus is a lawyer based in Denver, CO and has been recognized in The Best Lawyers in America® since 2018. John R. Posthumus is recognized in the following practice areas:
- Denver, Colorado
- Litigation - Intellectual Property
- Litigation - Patent
Current Firm: Polsinelli PC
Education: University of New Hampshire, Franklin Pierce School of Law, J.D., graduated 1991
Location: Denver, CO
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Insurance companies often delay payments or undervalue injury claims. Castle Rock, CO car accident attorney Dale G. Casares of Castle Rock Injury Law LLC represents individuals injured in car accidents and other serious incidents throughout Castle Rock, Colorado. Drawing on her background in the insurance industry and relationships with medical providers, she works to help clients obtain appropriate medical care and well-supported claims following an accident. Before attending law school, Dal...
Andrew Schwartz assists commercial real estate investors, owners and developers - particularly in the multifamily arena - with buying, selling, financing, developing and leasing commercial real estate across the country. He has significant experience in purchasing and selling mid-sized to large apartment communities, as well as purchasing vacant land for the development of such communities and assisting in such development. Andrew also has completed transactions in the office, medical office,...
Bud Bourke has extensive experience in business, residential and commercial real estate and tax planning for individuals, partnerships and corporations. He works with individuals (regardless of net worth), executives, closely-held business owners and professionals within Colorado, across the nation, and internationally, to manage their legal and legacy concerns and their multi-generational family businesses. He has years of experience with the preparation of simple and complex estate plans an...
Timothy Garvey is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation - Plaintiffs. Timothy, who practices law in Denver, Colorado, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy is held by other top lawyers in the same geographic and legal practice area.
Originally from Brooklyn, New York, Steve Shapiro has practiced law since 1983 and has spent the entirety of his career aggressively pursuing fair resolution in personal injury cases. His legal practice focuses on personal injury law with an emphasis on brain injury law or neurolaw, and he has tried 65 cases to a jury. Steve Shapiro has been proving invisible disabilities for more than 35 years. He has worked with individuals who have suffered from traumatic brain injuries and has seen how th...
Phil is an AV-rated® trial lawyer. He has tried multiple jury and bench trials and has argued cases in the Colorado Supreme Court, the Colorado Court of Appeals, the Georgia Court of Appeals, the Illinois Appellate Court, the United States District Court for the District of Colorado, the United States District Court for the Northern District of Georgia, and the state trial courts of Colorado, Georgia and Illinois. Phil is licensed to practice before all state courts of Colorado and Georgi...
Christopher L. Ottele is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Christopher L., who practices law in Denver, Colorado, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher L. is held by other top lawyers in the same geographic and legal practice area.
Bryce Beecher leverages his more than two decades of experience as a real estate development and transactional attorney with his time as in-house counsel on behalf of clients acquiring, developing and selling resorts, hotels and other commercial, residential and mixed-use properties. Beginning with acquisitions, he works with clients through the final disposition of properties, while also partnering with them in the formation, operation and management of master-planned communities, condominiu...
Richard Huttner is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice. Richard, who practices law in Denver, Colorado, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard is held by other top lawyers in the same geographic and legal practice area.
David Wilson, a Fellow of the College of Commercial Arbitrators and the Chartered Institute of Arbitrators, is an independent international and U.S. arbitrator and mediator who handles complex, high-stakes commercial and IP disputes, focusing on the energy and technology sectors, among others. A Colorado lawyer and Solicitor of the Senior Courts of England and Wales, he has 70+ arbitral appointments (chair, panelist, sole arbitrator, and emergency arbitrator) under ICDR, AAA, ICC and other ru...
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.