Cannabis Lawyers & Attorneys by State

16 cannabis-focused law firms across 9 states covering licensing applications, regulatory compliance, corporate transactions, intellectual property, and cannabis litigation.

Why cannabis businesses need specialized counsel

Cannabis law sits at the intersection of federal prohibition and state legalization. License applications are competitively scored and non-curable. Corporate structuring has direct 280E tax implications. Intellectual property faces USPTO restrictions on cannabis trademarks. A cannabis-focused attorney understands these edges - a general practitioner usually does not.

All Cannabis Lawyers & Attorneys (16)

Vicente LLP

Vicente LLP

Cannabis Lawyers

Denver, CONationwide

One of the first US law firms specializing in cannabis since 2010. Ranked by Chambers and Best Lawyers.

Cannabis Law & PolicyPsychedelicsCorporate+2
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Zuber Lawler

Zuber Lawler

Cannabis Lawyers

Los Angeles, CANationwide

Named Cannabis Law Firm of the Year by Marijuana Venture. Representing leading cannabis clients since 2006.

ComplianceReal EstateRegulatory+2
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Harris Sliwoski

Harris Sliwoski

Cannabis Lawyers

Seattle, WANationwide

International cannabis law firm known for the Canna Law Blog. Offices in Portland, Seattle, LA, and San Francisco.

Cannabis ComplianceLicensingIP+1
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Duane Morris LLP

Duane Morris LLP

Cannabis Lawyers

Philadelphia, PANationwide

National leader in cannabis law ranked by Chambers, Legal 500, and Law360.

Corporate TransactionsIPRegulatory+2
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Greenspoon Marder LLP

Greenspoon Marder LLP

Cannabis Lawyers

Fort Lauderdale, FLNationwide

Among the first national law firms to establish a dedicated Cannabis Law practice group.

Cannabis LawLicensingM&A+2
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Fox Rothschild LLP

Fox Rothschild LLP

Cannabis Lawyers

Philadelphia, PANationwide

Full-service firm with notable cannabis focus. Publishes the In The Weeds cannabis law blog.

LitigationRegulatoryCorporate Transactions+1
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Foley & Lardner LLP

Foley & Lardner LLP

Cannabis Lawyers

Milwaukee, WINationwide

Nationwide firm with strong cannabis IP and transactional practice. Chambers-ranked.

IPTransactionsM&A+2
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Cozen O'Connor

Cozen O'Connor

Cannabis Lawyers

Philadelphia, PANationwide

Multistate firm handling transactional issues, financings, and acquisitions for cannabis operators and investors.

TransactionsFinancingsAcquisitions+1
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Perkins Coie LLP

Perkins Coie LLP

Cannabis Lawyers

Seattle, WANationwide

Team of 120+ cannabis attorneys. Led legal team for Coalition for Cannabis Scheduling Reform.

RegulatoryTransactionalM&A+1
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Rose Law Group

Rose Law Group

Cannabis Lawyers

Scottsdale, AZ

First Arizona law firm involved in medical marijuana. Founding member of NCIA.

Medical MarijuanaLicensingZoning+1
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McAllister Garfield P.C.

McAllister Garfield P.C.

Cannabis Lawyers

Denver, CO

Cannabis-focused firm specializing in startups, capital raises, and license defense.

Startup FormationFundraisingDue Diligence+1
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Dickinson Wright PLLC

Dickinson Wright PLLC

Cannabis Lawyers

Detroit, MINationwide

Full-service cannabis law practice covering licensing, compliance, and corporate formation across multiple states.

LicensingComplianceCorporate+1
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Clark Hill PLC

Clark Hill PLC

Cannabis Lawyers

Denver, CONationwide

Absorbed Hoban Law Group (premier cannabis firm since 2008) in 2021. International law firm with deep cannabis heritage.

RegulatoryLicensingCorporate+2
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Feuerstein Kulick LLP

Feuerstein Kulick LLP

Cannabis Lawyers

New York, NYNationwide

Well-regarded boutique handling high-profile cannabis M&A deals and licensing.

M&ALicensingCapital Markets+1
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Riker Danzig LLP

Riker Danzig LLP

Cannabis Lawyers

Morristown, NJ

Cannabis Law Group combining corporate, tax, and governmental affairs expertise. Strong in NJ.

CorporateTaxGovernmental Affairs+1
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Farella Braun + Martel LLP

Farella Braun + Martel LLP

Cannabis Lawyers

San Francisco, CA

Northern California firm with deep knowledge of cannabis regulations.

General CounselLitigationTransactions+1
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Frequently Asked Questions

What does a cannabis lawyer do?+

Cannabis attorneys handle licensing applications, regulatory compliance, corporate transactions and M&A, intellectual property (trademarks and brand protection), employment law for cannabis operators, cannabis-related litigation, and advising on the evolving federal landscape including rescheduling, interstate commerce, and banking. Most cannabis lawyers specialize in one or two of these areas rather than covering all.

Do I need a cannabis lawyer to apply for a cannabis license?+

Not legally required, but highly recommended. Cannabis license applications are extremely complex, scored competitively, and mistakes are often non-curable. Application packages can run hundreds of pages with strict formatting, disclosure, and residency requirements. An experienced cannabis licensing attorney significantly improves your odds and helps avoid disqualifying errors.

How much does a cannabis lawyer cost?+

Fees vary significantly by practice area and geography. Licensing applications are often billed as flat-fee engagements. Regulatory compliance and corporate work is typically hourly. Litigation and M&A can run into substantial engagements. Always ask for a written engagement letter with clear scope, and for licensing work ask specifically whether appeals and deficiency responses are included.

Can a regular attorney handle cannabis legal work?+

Technically yes, but cannabis law combines federal prohibition with state legalization, making it one of the most complex regulatory areas in the country. A non-specialist may miss critical issues around 280E tax exposure, IRS audit risk, Section 8 deemed approval, dual-entity structuring, interstate commerce, or state-specific operational rules. For any meaningful cannabis business matter, work with a cannabis-focused attorney.

Are the attorneys on CannaBizGuide vetted?+

CannaBizGuide lists cannabis-focused law firms based on publicly stated cannabis practice areas, bar licensing, and firm websites. We do not take payment for listings and we are not affiliated with any firm. Always verify state bar licensing, ask for client references, and discuss fee structures in writing before engaging counsel.