Trademark data around the world: what’s public and what isn’t
The US publishes everything. India publishes a weekly PDF. Here’s what each office makes available.
To check trademarks automatically you need the data, not just a search box. We looked at what the main trademark offices actually publish.
Office by office
- United States: the most open. The USPTO publishes its full trademark history and daily updates as bulk files, free with an account and API key. There is no public search-by-name API, so you build search on top of the files.
- European Union: EUIPO has published trademark data for reuse free of charge since 2011.
- United Kingdom: the IPO publishes a free snapshot of trade mark applications under the Open Government Licence. Regular updates are a paid subscription.
- Canada: CIPO provides trademark data in the WIPO ST.96 XML format, updated weekly.
- Australia: the full trade mark backfile costs AUD 1,200, with free updates after that. The IPGOD research dataset is free.
- India: no bulk download or API. The weekly Trade Marks Journal is free, but it comes as PDFs split by class and only covers newly accepted marks.
How big is “every trademark ever”?
The USPTO’s research dataset covers about 12.7 million US trademark records from 1870 to early 2023, at roughly 4.3 GB of CSV files. The parts needed for name search are far smaller once loaded into a database.
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