Hans-Lothar Arth is a European and German Patent Attorney and European Trademark and Design Attorney.

Dr. Arth obtained his Doctorate in chemistry in 1997. For his studies he received an award of the German Chemical Society.

Dr. Arth specializes in chemistry, pharmacy, biotechnology, medicine, and especially in organic, polymer, and enzymatic chemistry, asymmetric synthesis, drug development, pharmaceutically active agents, and oil and gas exploration.

During his Doctorate, Dr. Arth synthesized chiral derivatives of natural products, designed assays, and prepared enzymes such as aldolases.

During his 15-months of post-doctoral work at the Ohio State University (Columbus, Ohio, U.S.A.), Dr. Arth was involved in the synthesis of a new anti-cancer drug.

Before founding his own patent law firm, Dr. Arth worked 1.5 years with the pharmaceutical company Axxima Pharmaceuticals AG in Munich where he established the company's intellectual property department. He was responsible for the preparation of patent and trademark applications, license agreements, correspondence with foreign patent law firms, negotiations with cooperation partners, investors, and competitors.

Dr. Arth is a member of VPP and FICPI.