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Thorburn Law Group, LLC


About Us

Thorburn Law Group provides sophisticated representation in the areas of commercial real estate, land use, and construction law.

In addition, Thorburn Law Group is the preeminent law firm in complex cannabis tax controversy and constitutional matters. Thorburn Law Group has established groundbreaking precedent for the industry through its innovative approach to litigation and appellate practice. Most notably, Thorburn Law Group has prevailed on establishing costs of goods sold as a Sixteenth Amendment constitutional right. Now, no matter the industry or individual, costs of goods sold is constitutionally protected.  

Our sophisticated client base includes some of the most well known names in cannabis.

Contact us today for a free 1 hour new client consultation. (303) 646-3482


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5460 S Quebec St #310, Greenwood Village, CO 80111, USA

(303) 646-3482


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(303) 646-3482

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