VERDICT
Should I use WIPO - World Intellectual Property Organization?
The world’s number one source for global intellectual property (patents, industrial designs, copyright, trademarks etc.) information, resources, and services. - wipo.int
Depends. WIPO is a UN agency, not software: use it only if you file international patents/trademarks or run domain disputes. There is nothing to subscribe to, so anyone shopping for a tool should look elsewhere.

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