https://www.epo.org/en/service-support/faq/searching-patents/patent-management-and-valuation/what-are-reasons-carrying-out

What are the reasons for carrying out a patent evaluation?

The need to find out the value of a patent can be triggered by both internal and external factors:

Internal	External
optimisation of patent portfolio costs alignment of patent strategy to overall business strategy remuneration of inventors	financing licensing mergers and takeovers accounting (IAS 38) enforced evaluation (insolvency, damages)

Patent knowledge