google-site-verification: google5347da125d9c6999.html
top of page

Helping You Grow A Better Tomorrow

At Thorburn Law Group, we have a deep understanding of the cannabis industry in Colorado. We have worked with clients in all aspects of the industry, from growers and dispensaries to manufacturers and investors. We are well-versed in the state's laws and regulations, and we know how to navigate the ever-changing landscape of the cannabis industry. Whether you're looking to start a cannabis business or you need help with an existing business, we can provide the guidance you need.

about us 1.jpg


We provide cannabis representation in the following areas: 



Our firm has established groundbreaking precedent for the industry through its innovative approach to litigation and appellate practice. Most notably, Thorburn Law Group is responsible for the opinion Justice Clarence Thomas issued on June 28, 2021, with regard to federal cannabis preemption. Our firm has also 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. You can see our published cannabis cases here.​ 


Earning Your Trust While Protecting Your Business 

Our mission is to protect your business while earning your trust. We value each and every client and strive to create lasting relationships. You are not just another billable hour to us. ​

We are very passionate about our work and find joy in furthering the success of the cannabis industry through our clients. 

about us 3.jpg


5460 South Quebec St. #310

Greenwood Village, CO 80111 

  Tel: (303) 646-3482

Thanks for submitting!

bottom of page