Jan Seebass advises companies on purchasing, sales, and distribution along the supply chain in national and international trade and represents his clients in disputes both in and out of court in all matters relating to commercial and product law. Jan Seebass has successfully enforced the rights of his clients on numerous occasions.

He focuses in particular on legal advice in chemical law and franchising. He advises both franchisors and franchisees and is a member of the German Franchise Association. As a member of the German Franchise Association, Jan gives lectures and training courses on current legal issues relating to franchising