Ownership of patent use right of large pharmaceutical companies purchasing small pharmaceutical companies

According to specific agreements and contracts. In the process of acquisition of small pharmaceutical companies by large pharmaceutical companies, the ownership of patent use rights will be determined according to specific agreements and contracts. The acquisition agreement will clearly stipulate the ownership of patents, including the ownership of patents, the scope and duration of patent use, etc. In the agreement, large pharmaceutical companies can obtain the full right to use the patent, or they can only obtain part of the right to use it, such as exclusive right to use it or the right to use it. At the same time, for patents that have been authorized, large pharmaceutical companies also need to abide by the provisions of existing agreements.