Complex sentence: Soyuzpatent has offices in Moscow, Astrakhan, Vologda, Kirov, Kostroma, and Novosibirsk; it is the headquarters of the national group of the International Association for the Protection of Intellectual Property (AIPPI) since its foundation in 1965.
Split into simpler sentences: Soyuzpatent has offices in Moscow, Astrakhan, Vologda, Kirov, Kostroma, and Novosibirsk. Sojuzpatent is the headquarters of the national group of the International Association for the Protection of Intellectual Property (AIPPI) since its foundation in 1965.