Jonathan Havens is the chair of Saul Ewing's Regulatory & Government Practice. He also serves as the firm's Baltimore Office Managing Partner. Companies in the cannabis (both hemp and marijuana), life sciences, food and beverage, and cosmetics industries turn to Jonathan for advice on how to get and keep their products on the market.
Since 2019, Chambers USA has recognized Jonathan as a leading lawyer in cannabis law. In 2021, Law360 selected Jonathan as a cannabis law rising star, and in 2018, the National Law Journal named Jonathan to its inaugural Cannabis Law Trailblazers list. He has been quoted by or authored pieces for The New York Times, The Los Angeles Times, Reuters, CNBC, WIRED, MarketWatch, Engadget, Law360, High Times Magazine, and Marijuana Business Daily.
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Jonathan counsels clients on regulatory, compliance, enforcement, and transactional matters related to products regulated by the U.S. Food and Drug Administration (FDA), the Federal Trade Commission (FTC), the U.S. Department of Agriculture (USDA), and the U.S. Drug Enforcement Administration (DEA). His experience also includes matters involving the U.S. Consumer Product Safety Commission (CPSC), U.S. Customs and Border Protection (CBP), state and municipal agencies, and state attorneys general.
Jonathan's deep understanding of the complex requirements that govern myriad products is enhanced by his experience working in government and on Capitol Hill. Before entering private practice, Jonathan served as regulatory counsel with the FDA, where he focused on promotion, advertising, and labeling. Prior to law school, Jonathan served as a legislative aide in both the U.S. Senate and U.S. House of Representatives.
Sources count Jonathan Havens as 'one of a very small handful of go-to lawyers' for navigating the complexities of the cannabis regulatory environment. One source states: 'His work is exceptional, his knowledge of the law is broad and deep and he provides excellent counsel and advice.'
Cannabis Industry
Jonathan counsels state cannabis license applicants and awardees, ancillary service and product providers, investors, underwriters, management companies and various other entities that are affected by federal and state cannabis laws, such as such long-term care facilities and higher education institutions. In addition to his cannabis law practice, Jonathan maintains an active food, beverage and topicals practice, particularly with regard to cannabidiol (CBD) products. His work in these areas includes counseling manufacturers, importers, distributors, and retailers of conventional foods, dietary supplements, beverages and cosmetics on product development, claim substantiation, labeling, promotion, registration, reporting and recall issues to ensure compliance with FDA, USDA, and state and local requirements.
Jonathan, who co-founded and served as co-chair of the firm's Cannabis Law Practice through 2025, regularly speaks about, writes on and is interviewed regarding industry developments, challenges and best practices. Since 2019, Jonathan has been listed in Chambers USA: America's Leading Lawyers for Business for his nationwide cannabis law practice. In 2021, he was named a Rising Star by Law360 for his cannabis law practice, in 2020, he was selected to serve on Law360's inaugural Cannabis Editorial Advisory Board, and in 2018, he was named to the National Law Journal's inaugural Cannabis Law Trailblazers list. He is regularly interviewed by mainstream and trade press outlets, alike, and has been quoted by or authored pieces for CNBC, The New York Times, The Los Angeles Times, WIRED, MarketWatch, Engadget, Law360, High Times Magazine, Cannabis Business Times, Hemp Industry Daily, Marijuana Business Daily and HEMP Magazine. When the Food and Drug Law Institute formed its Cannabis-Derived Products Committee in 2019, Jonathan was selected as a founding member to help shape the organization’s agenda related to this developing area of the law. He was selected to serve a second term on that committee in 2021.
Select representative matters include:
- Served as regulatory and corporate counsel to the lead bookrunner and underwriter of several cannabis multistate operator go-public transactions.
- Advised a leading real estate investment trust on legal and regulatory considerations related to cannabis industry tenants.
- Represented a leading multistate operator in its acquisition of four medical cannabis licenses in Maryland.
- Provided federal and state regulatory advice to leading hemp-derived consumer products companies.
- Acted as U.S. regulatory counsel to the sole book-running manager and lead underwriter of the offering of units of a cannabis multistate operator IPO.
Life Sciences Industry
When a drug, medical device, or human cell, tissue, and cellular and tissue-based product (HCT/P) company wants to bring a product to market, Jonathan advises them on relevant regulatory considerations. Once a product is on the market, he provides counsel on, among other things, matters such as quality control and quality assurance (QC/QA), product safety, adverse event reporting, and responding to enforcement actions. When regulated companies are exploring partnerships, licensing deals, and purchase agreements, he conducts due diligence reviews and drafts and negotiates transactional documents on their behalf.
Select representative matters include:
- Served on promotional review committees for a multi-national pharmaceutical company, global health care company, medical technology company and a global health care company.
- Provided medical device post-market compliance advice, including with regard to medical device reporting (MDR), device recalls, QSR, and responses to FDA Form 483s and Warning Letters.
- Counseled clients on issues related to clinical trial agreements, informed consent, and interactions with Institutional Review Boards (IRBs).
- Conducted regulatory due diligence reviews and risk assessments of medical device and pharmaceutical companies targeted for acquisition, and negotiated and drafted transactional documents related to the same.
- Drafted numerous FDA pre-submission meeting requests, prepared background packages related to the same, and led negotiations with regulators on behalf of clients.
- Represented a multinational pharmaceutical company in its successful request for orphan drug designation.
- Represented a medical device company in a pair of successful applications for marketing clearance.
- Represented a mail order pharmacy in its sale of stock to a pair of private equity groups.
Food and Beverage Industry
Manufacturers, importers, distributors, and retailers of conventional foods, dietary supplements, and beverages seek Jonathan's counsel on product development, claim substantiation, labeling, promotion, registration, reporting, and recall issues to ensure compliance with FDA and USDA requirements. He also provides advice to chain restaurants and retail food establishments, such as grocery stores and convenience stores, on federal and state menu labeling requirements, truth-in-advertising laws, and to minimize the risk of litigation.
Jonathan, who previously served as co-chair of the firm's Food & Beverage Practice, offers clients industry-specific knowledge, business understanding, multi-disciplinary capability, strategy, and pragmatism.
Select representative matters include:
- Advised leading restaurant chains, supermarkets, and convenience stores regarding federal, state, and municipal menu labeling requirements.
- Counseled global FDA and USDA regulated clients regarding myriad compliance and enforcement matters, including, but not limited to, GMO and organic labeling, FDA Food Safety Modernization Act (FSMA) compliance, USDA Food Safety and Inspection Service (FSIS) investigations, and hazard analysis and critical control point (HACCP) programs.
- Represented a multinational food processor and marketer in defeating a federal government contract bid protest.
Tobacco Industry
Jonathan began his legal career as regulatory counsel with FDA's then newly established Center for Tobacco Products (CTP). In this role, he evaluated tobacco industry compliance with and carried out enforcement of tobacco product promotion, advertising, and labeling requirements under the Federal Food, Drug and Cosmetic Act (FD&C Act). He also drafted regulations in this role. Since entering private practice, Jonathan has written and spoken extensively on FDA's authority to regulate tobacco products, with a particular focus on FDA's "deeming rule," which extended such authority to, among other things, electronic nicotine delivery systems (ENDS) (e.g., e-cigarettes and vapor products) and cigars.
Select representative matters include:
- Advised investors and investment research firms regarding FDA's tobacco products regulatory, compliance, and enforcement landscape.
- Counseled a leading trade association regarding compliance with FDA's "deeming rule."
Our experience with (Jonathan) is excellent. He is always responsive and helpful. His knowledge of technical matters relating to the FDA is deep.
- District of Columbia
- Florida
- Maryland
- Virginia
Firm Involvement
- Chair, Regulatory & Compliance Practice
- Baltimore Office Managing Partner
- Co-Founder, Cannabis Law Practice
Degrees
- J.D., Columbus School of Law at The Catholic University of America, 2010
- B.A., University of Virginia, 2005
Honors & Awards
- Named to the Global Top 200 Cannabis Lawyers List, 2026-2027
- Named to The Daily Record's Influential Marylanders list, 2025
- Recipient of the PBC Top Lawyer Leader Award, 2023
- Named to The Daily Record’s Power 100 List, 2022-23
- Recipient of The Daily Record's Leadership in Law Award, 2022
- Named one of Law360's Rising Stars, Cannabis Law, 2021
- Named to the Baltimore Business Journal’s "40 Under 40" list, 2021
- Named to Law360’s Cannabis Editorial Advisory Board, 2020 to present
- Named to The Best Lawyers in America: Ones to Watch list, Administrative/Regulatory Law, 2021 to present
- Recipient of The Associated: Jewish Federation of Baltimore’s Fred Walpert Young Leadership Award, 2020
- Named to The Daily Record's "VIP List," 2019
- Named one of "America's Leading Lawyers in Cannabis Law" by Chambers USA, 2019 to present
- Named to the National Law Journal's Cannabis Law Trailblazers list, 2018
- Recipient of The Daily Record's Generation J.D. Leadership in Law Award, 2018
- Named to the Maryland Super Lawyers "Rising Stars" List for Food and Drugs, Cannabis Law, Administrative Law, State, Local & Municipal, 2018 to present
- Named to the Washington, D.C. Super Lawyers List for Food and Drugs, Cannabis Law, 2026
- Named to the Washington, D.C. Super Lawyers "Rising Stars" List for Food and Drugs, Cannabis Law, 2016-2023
Teaching Experience
- Jonathan regularly guest lectures on cannabis law and policy including at University of Baltimore School of Law and University of Texas at Austin School of Law.
Professional Involvement
- Food and Drug Law Institute
- Board of Directors, 2024 to present
- Annual Conference Committee, 2023 (Conference Co-Chair), 2022, 2020
- Cannabis-Derived Products Committee, 2021, 2019
- Audit Committee, 2020
- Tobacco Committee, 2015-2017
- CSP C-Store Cannabis Board, Special Advisor
- Leadership Council on Legal Diversity, Success in Law School Mentoring Program, 2015-2020
Community Connections
While maintaining a nationwide practice, Jonathan remains deeply committed to serving his community and empowering the next generation of leaders. He currently serves on the Beth Tfiloh Dahan Community School's Board of Trustees and was a member of its Head of School Search Committee, and as Vice Chair of Towson University Hillel’s Governing Board, opportunities which allow him to further develop his leadership skills while advocating for his community. He is also a founding member of the Beta Iota Foundation, a non-profit that provides scholarships and grants to prospective and current college and graduate school students. Throughout his career, Jonathan has mentored numerous law school students, offering his time to arm future lawyers with strategies to market themselves and secure employment.
Finally, throughout his career, Jonathan has handled several legal matters on a pro bono basis, including representing victims of domestic violence, same-sex couples seeking health care benefits, and a federal inmate who has serious medical issues in pursuing a compassionate release motion. He also worked on an amicus brief in Obergefell v. Hodges, when the case was before the U.S. Supreme Court.