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Cannabis Businesses

Dedicated, driven, and client-focused:
we are Green Light Law Group.

Business attorneys in Oregon, Washington & New York, delivering results for clients nationwide

We are a litigation and business law firm for the marijuana and hemp industries, as well as for emergent areas of the law such as the fledgling psychedelics industry. Our attorneys are recognized and established industry leaders and provide unparalleled insight and guidance to our clients. Our clients range from newly inspired entrepreneurs to the world's most respected and well-established cannabis businesses.

Green Light Law Group has offices in Oregon, Washington, and New York, and our lawyers are licensed to practice law in Oregon, Washington, New York, Maryland, Washington, D.C., and Florida.

Learn More About Us
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Green Light Law Group deals with complex litigation, transactional and regulatory matters across the spectrum of cannabis businesses. We counsel and advise our clients with deep industry knowledge and dedication to superior client service.

Green Light Law Blog

Staying on top of new laws and shifting regulations is critical for success in emerging industries. Subscribe to the Green Light Law Blog and never miss important updates.

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Radio Interview with Green Light's Brett Mulligan on Measures 109 & 110

Green Light's Brett Mulligan was featured on Oregon Coast Daily News discussing Measures 109 & 110: Measure 109 is a…

Myths facts LOW WIDE

Horizons NW 2022, Dispelling Myths & Celebrating Measure 109

The Horizons Northwest psychedelic conference just wrapped following an amazing series of events bringing together many of the brightest and…

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Washington Cannabis Social Equity FAQs

After ten years of cannabis legalization, Washington is poised to establish a social equity cannabis program. Social equity applicants who…

Psilocybin Webinar

WEBINAR: Practical Guide to Oregon's New Psilocybin Draft Rules

Green Light Law Group will dive into the new draft rules and give insight into the most important take-aways and…

Our attorneys are true cannabis law trailblazers and industry leaders. We have extensive legal and practical experience in all aspects of the marijuana and hemp industries and have guided our clients through the maze of this volatile, ever-evolving industry since 2014.

Meet Our Attorneys
Bradley Blommer

Managing Partner, Real Estate & Litigation Attorney

Perry N. Salzhauer

Partner, Corporate & Environmental Attorney

Andrew DeWeese

Partner, Litigation and Regulatory Attorney