Janssen-Cilag AG

Janssen Pharmaceutica is a pharmaceutical company headquartered in Beerse, Belgium. It was founded in 1953 by Paul Janssen.

Company Cilag (Chemical Industry Laboratory AG) was founded in Switzerland Bernhard Joos in 1933. In 1959, she entered in a group of companies Johnson & Johnson.

In 1961 Janssen Pharmaceutica was purchased by the American corporation Johnson & Johnson, and become part of Johnson & Johnson Pharmaceutical Research and Development (J&J PRD), which conducts research and development activities related to a wide range of human medical disorders, including mental illness, neurological disorders, anaesthesia and analgesia, gastrointestinal disorders, fungal infection, HIV/AIDS, allergies and cancer.

Janssen-Cilag is a subsidiary of the Johnson & Johnson pharmaceutical company. The company was founded in the early 1990s by a merger between Janssen Pharmaceutica and Cilag.

In September 2010, all pharmaceutical companies of Johnson & Johnson have united under a common logo, Janssen.

Janssen Pharmaceuticals became the Flemish company with the largest budget for research and development. Besides the headquarters in Beerse with its research departments, pharmaceutical production, and the administrative departments, Janssen Pharmaceuticals in Belgium still has offices in Berchem (Janssen-Cilag), a chemical factory in Geel, and Janssen Biotech in Olen.