Specialized Legal Services in Commercial Contracts, Life Sciences & IP Law
Services
Legato Advokat is led by Stojan Arnerstål (attorney, LL.D., and Associate Professor) – a recognized expert in commercial contracts and intellectual property law.
Legato provides specialized legal and strategic consulting for businesses in technology, media, and life science sectors. Our expertise includes technology transfer agreements, distribution contracts, licensing agreements, and development partnerships. With extensive experience handling complex legal matters, we deliver solutions tailored to your business needs.
Our boutique law firm is committed to excellence and offers cost-efficient and accessible legal counsel with transparent pricing. Contact us for expert advice on commercial contracts and intellectual property protection in Sweden.
Legato specializes in providing comprehensive legal solutions for technology and development-intensive companies across all relevant business areas. Our expertise extends to businesses in traditional research fields such as biotech, medtech and pharmaceutical industries, as well as conventional industries navigating digital transformation or transitioning to green technologies.
Commercial Contracts
Legato has extensive experience crafting and negotiating commercial contracts in the media, technology, and life science sectors. The firm provide comprehensive legal support throughout the entire contract lifecycle, from initial drafting to final execution.
The services include contract services such as:
Distribution, agency, and franchise agreements
Technology development and licensing contracts
Software and SaaS agreements
Research collaboration agreements
Manufacturing and supply contracts
General terms and conditions
Legato has specialized industry experience in the life sciences sector. We provide tailored legal solutions for pharmaceutical companies, medical device manufacturers, biotech firms, and healthcare providers throughout Sweden.
Our life science legal services include:
Collaboration and licensing agreements
Research and development contracts
Manufacturing and distribution agreements
Quality and regulatory compliance
Clinical trial contracts and protocols
Material transfer agreements (MTAs)
Biobank and data sharing agreements
Intellectual Property & Marketing Law
Legato has extensive expertise in intellectual property law and can assist with matters relating to trademarks, patents, copyright and design protection, as well as disputes in these areas.
The firm has particular experience of working with agreements for the sale and licensing of intellectual property rights, as well as conducting due diligence on rights in connection with corporate transactions (M&A) or IPOs.
Legato can assist with market law assessments in connection with campaigns, product launches, and social media communications, as well as with market law disputes.
Legal Opinions & Expert Training
As a distinguished researcher and Associate Professor in civil law, Stojan Arnerstål provides authoritative legal opinions and expert analysis for complex disputes. His academic credentials and practical experience make him a sought-after expert in matters requiring in-depth legal investigation, particularly in intellectual property disputes.
Stojan Arnerstål delivers specialized legal training programs tailored to your organization's specific needs. Whether you need to strengthen your team's understanding of IP law, contract negotiation, or regulatory compliance, our customized training programs provide practical knowledge directly applicable to your business challenges.
Experience
Legato advokat, 2024-
Vinge, counsel and Head of Life Science 2019-2024
Institutet för Immaterial-, Marknads- och Konkurrensrätt (IMK) vid Uppsala universitet, director 2014-2019
Uppsala university, doctoral candidate and post-doc, 2008-2019
von lode advokat, 2008-2014
Södra Roslags district court, 2006-2008
MAQS Law Firm, 2005-2006
About Stojan Arnerstål
Education
Uppsala university, docent 2016
Uppsala university, jur. dr 2014
Stockholms university, jur. mag. i Europeisk immaterialrätt 2005
Lunds university, jur. kand. 2005
Additional Information
Member of the Swedish Bar Association since 2020
Country editor for Nordiskt Immateriellt Rättsskydd (NIR), 2016-2025
Responsible for the Trademark Group and adjunct to the board of the Swedish Association for Intellectual Property (SFIR), 2016-2025
Recognition
Chambers & Partners, 2025: “Stojan is a brilliant lawyer who is very knowledgeable.”
Legal 500, 2025: “Arnerstål is a key name for clients seeking advice on investments and acquisitions within the healthcare space.”
WTR 1000, 2025: “Fierce litigator[…] Stojan Arnerstål [is a] renowned figures in academic and professional circles, always on deck to provide sage advice.”
IAM Patent 2024: “A transactional ace called on for media, technology and life sciences-related mandates, Stojan Arnerstål is the embodiment of marrying IP knowledge with refined commercial sensibilities. He is particularly talented in ensuring complex negotiations run smoothly and to the benefit of the client, where possible.”
Legal 500, 2024: “Stojan Arnerstål is an exceptional adviser for commercial agreements, providing real value through his pragmatic, business-oriented approach and quick turnarounds in our matters. Excellent management skills.”
Legal 500, 2024: “Stojan Arnerstål has excellent knowledge and experience of the healthcare and life sciences industry. He is very skilled in conveying legal advice on commercial and complex matters in a practical and engaging way across all areas of the industry.”
Chambers & Partners, 2024: “He provides swift responses. He's very pragmatic and is easy to understand.”
WTR 1000, 2024: “A prominent name in academic circles within Trademark Community. Stojan Arnerstål is the life sciences division head, but his transactional work is called upon by those in the media and technology sectors as well.”
Chambers & Partners, 2023: “Stojan Arnerstål enters the rankings as a result of strong market support. He is noted for his presence in transactional and commercial IP issues with additional expertise in arbitration disputes. He also has experience in handling IP issues for life sciences clients.”
WTR 1000, 2023: “Stojan Arnerstål stands out for his strategic advice and approach to asset commercialisation. Arnerstål comes in for additional praise courtesy of his business-oriented mindset and dedication to consistently enhancing his skillset. He has a curious mind and is always open to discussing emerging topics.”
Legal 500, 2023 “Stojan Arnerstål has excellent skills in all matters related to IP and a good understanding of partnership agreements in the Life Sciences industry. He has a business minded approach, listens carefully to the needs of the client and is very easy to work with.”
Immaterialrätten: Sverige och EU (co-authored with B. Domeij and D. Westman), Iustus 2025
Känneteckensrätt, Iustus 2022
International Trademark Licensing, Wolters Kluwer 2021
Licensavtalets anatomi, Norstedts juridik 2019
Varumärkesanvändning, Norstedts juridik 2018
Varumärket som kontraktsföremål, Iustus 2014
Särskilda åtalsförutsättningar för immaterialrättsintrång, Nordiskt Immateriellt Rättsskydd (NIR) 2016/4
Straffrättsligt ansvar för intrång på det industriella rättsskyddets område, Nordiskt Immateriellt Rättsskydd (NIR) 2016/3
Protecting the Reputation and Image of Franchise Concepts with Trademark Law and Contract Law, Tidskrift utgiven av Juridiska Föreningen i Finland (FJFT) 2016/3
Marknadsidentitet, irrationella konsumenter och varumärket som en kvalitetsgaranti, Nordiskt Immateriellt Rättsskydd (NIR) 2015/4
Licensing digital content in a sale of goods context, GRUR Int 2015/9
