Ron Opsahl

Senior Attorney

As a wildlife biologist and natural resource attorney, Ron is able to couple a deep understanding of the scientific principles underpinning environmental and natural resource issues with a thorough grasp of the law to represent clients’ interests in private and public land use and development. He is an experienced litigator, primarily specializing in litigation focused on administrative appeals, judicial review of administrative decisions, and state and federal land use plans and determinations involving wildlife management, mining claims and mineral development, oil and gas development, timber harvest, livestock grazing, and other uses of public and private lands.

Ron is an MSLF alum, having served as a Staff Attorney between 2005 and 2011, and returned to MSLF as its Senior Attorney in May 2019. Ron leads MSLF’s endangered species and natural resources efforts, is licensed to practice in Arizona, Colorado, Kansas (inactive), Montana, and Wyoming, and is admitted to appear in several U.S. District Courts, the Ninth and Tenth Circuit Courts of Appeal, and the United States Supreme Court.

Related Cases
Rayco, LLC v. Bernhardt

Fighting to Save the Family Legacy

Emerson and Fay Ray were a young couple, recently married, when they first came to California. It was the height of the Great Depression and Emerson had heard he might be able to get a job in California pouring concrete. Now the government is threatening to destroy the legacy they built for their family.

Related Posts

Red Flag Laws

VIDEO: MSLF recently hosted a panel of experts to discuss the gun confiscation orders known as Red Flag Laws that many states are adopting.

We Are All Originalists Now… Sort of

MSLF attorney David McDonald published an op-ed in RealClearPolitics today on the enduring legacy of Justice Scalia. Since the 1980s, constitutional text and history have become ever more central to Supreme Court jurisprudence.

New York City Still Running From Supreme Court Review of Gun Laws

MSLF attorney Cody Wisniewski writes today for National Review: Most likely, city officials realize that they can’t win at the Supreme Court and are trying to preemptively cut their losses before they set “bad precedent” for the gun control movement across the nation. Given the Supreme Court’s nearly decade-long silence on the topic, this case…

Cory Booker’s Unsafe Gun Control Ideas

MSLF attorney Cody Wisniewski was cited by Reason magazine, explaining why California’s gun regulations, similar to those proposed by Senator Booker, could actually make guns less safe.

MSLF in Outdoor Life Magazine

MSLF attorney Cody Wisniewski was quoted this week in Outdoor Life magazine in a story highlighting the first big Second Amendment case to go before the Supreme Court since 2010.

Supreme Court Says No to NYC’s 2nd Amendment Avoidance Scheme

Are New York City officials afraid of the Constitution?

MSLF attorney Cody Wisniewski writes in National Review Online about the scheme New York City officials used to try to keep the Supreme Court from reviewing the most important Second Amendment case in nearly a decade.

The Grizzly Wars

MSLF attorney Cody Wisniewski is quoted today in the Capital Press on the escalating battle between extreme environmental activists and Fish & Wildlife administrators. An environmental group has filed notice it will sue the Trump administration if it does not draft a comprehensive grizzly bear recovery plan encompassing much of the West… “It really is…