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Unified Patent Court legal deadline calculator

Choose the court, tribunal or procedure, then enter what happened and when. You will get the date, citation and calculation steps.

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Coverage reviewed August 2026 Review coverage and exclusions

Coverage

What you can calculate, save and export

The Unified Patent Court coverage catalogue was last reviewed August 2026. Each rule has its own review date. Availability can vary by deadline; the calculator and directory show what needs checking.

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Included forums

  • Court of First Instance
  • Court of Appeal
  • Interim Relief and Remedies
  • Registry and Unitary Patent procedures

Check outside the calculator

  • Judge-rapporteur and panel directions, language changes and case-specific procedural orders are not inferred.

Primary-source collections

Deadline directory

Browse Unified Patent Court deadline rules

Search by deadline, citation or court. Each entry shows what starts the clock and whether the current rule can be calculated or needs checking.

Calculable: fixed period and triggerReference only: no single fixed periodNeeds checking: verify the cited provision

Showing 24 of 90 matching rules

Court of First Instance - Infringement Action

Correct deficiencies in the Statement of claim

14 days
Calculable
Time runs from
Service of the Registry's notification inviting correction
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 16.3(a)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Pay the infringement action fee after Registry notification

14 days
Calculable
Time runs from
Service of the Registry's notification inviting payment
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 16.3(b)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Lodge a Preliminary objection

1 month
Calculable
Time runs from
Service of the Statement of claim on the defendant
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 19.1

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Claimant's correction of deficiency or written comments on a Preliminary objection

14 days
Calculable
Time runs from
Service of notification of the Preliminary objection on the claimant
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 19.5

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Lodge the Statement of defence

3 months
Calculable
Time runs from
Service of the Statement of claim on the defendant
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 23

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Counterclaim for revocation (must be contained in the Statement of defence)

3 months
Calculable
Time runs from
Service of the Statement of claim on the defendant
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 25.1 (with Rule 23)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Correct deficiencies in the Statement of defence or Counterclaim for revocation

14 days
Calculable
Time runs from
Service of the Registry's notification inviting correction
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 27.2(a)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Pay the fee for the Counterclaim for revocation after Registry notification

14 days
Calculable
Time runs from
Service of the Registry's notification inviting payment
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 27.2(b)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Defence to the Counterclaim for revocation (with any Reply to the Statement of defence and any Application to amend the patent)

2 months
Calculable
Time runs from
Service of a Statement of defence which includes a Counterclaim for revocation
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 29(a)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Reply to the Statement of defence (no counterclaim for revocation)

2 months
Calculable
Time runs from
Service of a Statement of defence which does not include a Counterclaim for revocation
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 29(b)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Rejoinder to the Reply to the Statement of defence (no counterclaim for revocation)

1 month
Calculable
Time runs from
Service of the Reply to the Statement of defence
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 29(c)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Reply to the Defence to the Counterclaim (with any Rejoinder to the Reply to the Statement of defence and any Defence to the Application to amend)

2 months
Calculable
Time runs from
Service of the Defence to the Counterclaim for revocation
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 29(d)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Rejoinder to the Reply to the Defence to the Counterclaim (with any Reply to the Defence to the Application to amend)

1 month
Calculable
Time runs from
Service of the Reply to the Defence to the Counterclaim
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 29(e)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Defence to the Application to amend the patent

2 months
Calculable
Time runs from
Service of the Application to amend the patent
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 32.1

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Reply to the Defence to the Application to amend the patent

1 month
Calculable
Time runs from
Service of the Defence to the Application to amend the patent
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 32.3 (first limb)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Rejoinder to the Reply to the Defence to the Application to amend the patent

1 month
Calculable
Time runs from
Service of the Reply to the Defence to the Application to amend the patent
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 32.3 (second limb)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Pay additional value-based fee after the judge-rapporteur determines a higher value

10 days
Calculable
Time runs from
Service of the order determining the value of the action
Rule
UPC Rules of Procedure, Part 6, Rule 371.4

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Lodge translations into the language of the patent after referral of the counterclaim to the central division

1 month
Calculable
Time runs from
The judge-rapporteur's order requiring translation
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 1, Rule 39.1

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Deemed service of the Statement of claim by registered letter

10 days
Calculable
Time runs from
Posting of the registered letter with acknowledgement of receipt
Rule
UPC Rules of Procedure, Part 5, Chapter 2, Section 1, Rule 271.6(b)

Time runs from the day after the trigger

Court of First Instance - Infringement Action

Notify the Registry of refusal to accept service on language grounds

14 days
Calculable
Time runs from
The attempted service
Rule
UPC Rules of Procedure, Part 5, Chapter 2, Section 1, Rule 271.8

Time runs from the day after the trigger

Court of First Instance - Revocation & Declaration of Non-Infringement

Preliminary objection in a revocation action

1 month
Calculable
Time runs from
Service of the Statement for revocation on the defendant
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 2, Rule 48 (applying Rule 19.1 mutatis mutandis)

Time runs from the day after the trigger

Court of First Instance - Revocation & Declaration of Non-Infringement

Lodge the Defence to revocation

2 months
Calculable
Time runs from
Service of the Statement for revocation
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 2, Rule 49.1

Time runs from the day after the trigger

Court of First Instance - Revocation & Declaration of Non-Infringement

Application to amend the patent in a revocation action (contained in the Defence to revocation)

2 months
Calculable
Time runs from
Service of the Statement for revocation
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 2, Rule 49.2(a) with Rule 50.2

Time runs from the day after the trigger

Court of First Instance - Revocation & Declaration of Non-Infringement

Reply to the Defence to revocation (with any Defence to the Application to amend and any Defence to the Counterclaim for infringement)

2 months
Calculable
Time runs from
Service of the Defence to revocation
Rule
UPC Rules of Procedure, Part 1, Chapter 1, Section 2, Rule 51

Time runs from the day after the trigger

This is calculation software, not legal advice. Check the cited current rule, any order and the facts before using a date.

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