The point of trademarks is to be able to clearly say "SomeName is X", or in context, to be able to refer to a specific kit of software, not a fork or the such, not a competing DB, etc, but to know that when I say "PostgreSQL" I'm talking about PostgreSQL

> Fundación PostgreSQL “allows [their trademarks] to be used freely, under all provisions of goods and services covered by the respective Nice classifications, under the registered designations, provided that its use constitutes a fair use aligned with the Goals of the Foundation as specified in its Statutes"

Doesn't seem to give anyone a useful trademark, well except for an anarchist perhaps!