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Information from the UPC Registry

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December 1, 2022
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The Registry of the Unified Patent Court maintains a number of Registers which are publicly accessible via their website at www.unified-patent-court.org.

Cases

Most obviously, there is a register of cases filed at the UPC. Cases appear there shortly after they are filed, once they have passed through the initial check by Registry staff (which may be before the case has been served on the defendant). Search is possible in various fields, including party and representative name, and proceeding type. The broadest way to search is to select a particular type of action, such as "infringement" or "revocation", which will return all the actions of that type. (A date range search will also return opt out requests and UPC representative registration requests, which are also a type of UPC proceeding, and so is not effective as a way to search the litigation cases generally). The information shown is currently a little incomplete. It is expected that this will improve in time.

Opt-outs of (non-unitary) European Patents

Then, there is a register of opt outs. Here, you enter a European patent number, and if it has been opted out then details of the opt out appear. If it has not been opted out, i.e. is subject to the jurisdiction of the UPC, then "No results found" is returned.

Representatives

Finally, there is a register of representatives. It is only possible to search by name of representative or by their entitlement to represent as set out in the person's application to be recorded as a representative. This will usually be as a lawyer authorised to practice in a UPC member state, or as a European patent attorney with one of a number of possible additional qualifications. Selecting one of those entitlements will return all representatives having that entitlement.

For all of these public facing Register search tools, there are also equivalent search interfaces available within the UPC Case Management System, available to registered users of the CMS. These provide greater detail and the information is more reliably presented. Therefore, please contact us if you are interested in a particular patent or litigation case.

Recent Case Reports

See all Case Reports

UPC Court of Appeal clarifies claim construction, the role of party experts, and provisional measures in direct-competition cases
03 November 2026
The CoA’s decision of 30 April 2025 in Insulet v EOFlow provides important guidance on claim construction, the role of party-appointed experts and the requirements for provisional injunctions.
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DNI brought before grant can force UPC opt-in
02 November 2026
The Paris CD held that it had jurisdiction over an action for a declaration of non-infringement (DNI) filed before the patents were granted, provided grant occurred before the statement of defense was filed and therefore the patentee's opt-outs filed after the action were ineffective. The Court of Appeal dismissed the appeal but did not adopt that test. It held that the action concerned the patents, not the applications, and so fell within the UPC's competence. Whether a DNI action can be filed before grant is a question of admissibility for the main proceedings, which cannot be raised by preliminary objection. The Court of Appeal agreed that the opt-outs were ineffective because the action had already been brought.
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No language change at Central Division
08 October 2026
Proceedings before the UPC Central Division must be conducted in the language in which the patent was granted. There is no legal basis to change that language. In a revocation action concerning a German-language patent, the Paris Central Division rejected a request to switch the language of proceedings to English, and also rejected a subsidiary request to allow written submissions in English and hold the hearing in English, holding that Article 49(6) UPCA permits no derogation and reflects a deliberate legislative choice.
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