Dutch term – Octrooi

An octrooi is a patent. Historically, octrooien were not just required to protect inventions, but also to enter into certain types of businesses, similar to what we’d call a permit today. An octrooi could also grant permission to publish a book in a certain area.

Octrooien can often be found in the records of the landlords or the government. They typically describe the type of permission that is granted and name the patentee.

drawing of a mill

Patent for a mill, 1589. Collection Nationaal Archief (public domain)

About Yvette Hoitink

Yvette Hoitink is a professional genealogist in the Netherlands. She has been doing genealogy for almost 25 years. Her expertise is helping people from across the world find their ancestors in the Netherlands. Read about Yvette's professional genealogy services.

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