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Unified Patent Court procedure guides

When is the deadline for application to intervene following an invitation from the court?

Person invited who wishes to intervene uses 1 month to present an Application to intervene, measured against service of the Court's invitation. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. The ordinary source period remains a conditional fixed boundary, not a variable period merely because this page withholds a calculation. This guide supplies no calculated final date.

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Read why no date is calculated
Period
1 months. Required if electing intervention.
Trigger
service of the Court's invitation
Rule
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

Current UPC maintained legal index and amended Rules effective January 1, 2026, with February 2026 corrigendum retained. Agreement provisions are cross-checked against official original and maintained EPO representations. No complete worldwide amendment search or actual application acceptance is claimed.

Source guide · No automated date

Check the applicable procedure

This UPC Applying to intervene after invitation guide preserves the 1-months source period and its completion deadline nature. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. The actual event, applicable branch, court location and complete final-day conditions require confirmation. It supplies no computed date or paid calculation.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

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When is the deadline for application to intervene following an invitation from the court?

Person invited who wishes to intervene uses 1 month to present an Application to intervene, measured against service of the Court's invitation. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. The ordinary source period remains a conditional fixed boundary, not a variable period merely because this page withholds a calculation. This guide supplies no calculated final date.

Responsible actor. person invited who wishes to intervene. required if electing intervention.

service of the Court's invitation

The actual invitation under Rule 316.1 has been served and the invitee wishes to intervene

The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period.

This UPC Applying to intervene after invitation guide preserves the 1-months source period and its completion deadline nature. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. The actual event, applicable branch, court location and complete final-day conditions require confirmation. It supplies no computed date or paid calculation.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

How does this provision count time?

  1. present an Application to intervene
  2. service of the Court's invitation
  3. For a procedural step, Rule 300 excludes the event day and uses calendar days, named-week anniversary or calendar-month/year anniversary with missing-day clamping. Judicial vacations do not suspend the period.
  4. Rule 301 extends a procedural expiry falling on a weekend or official holiday of the court location to its next working day. Electronic non-receipt is a separate material branch.

For a procedural step, Rule 300 excludes the event day and uses calendar days, named-week anniversary or calendar-month/year anniversary with missing-day clamping. Judicial vacations do not suspend the period.

Rule 301 extends a procedural expiry falling on a weekend or official holiday of the court location to its next working day. Electronic non-receipt is a separate material branch.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

Which facts prevent one automatic date?

This UPC Applying to intervene after invitation guide preserves the 1-months source period and its completion deadline nature. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. The actual event, applicable branch, court location and complete final-day conditions require confirmation. It supplies no computed date or paid calculation.

ResultRead the operative provision and establish the applicable branch.

The identified actor has the document or event described by this source provision. service of the Court's invitation must be established. The actual invitation under Rule 316.1 has been served and the invitee wishes to intervene. No final date is supplied without the applicable court location and complete facts.

A different order, actual service event or procedural track applies. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. Check that branch separately. Do not reuse another procedure's event or period.

A nominal period falls on a closed day or depends on another actual event. Rule 301 extends a procedural expiry falling on a weekend or official holiday of the court location to its next working day. Electronic non-receipt is a separate material branch. Preserve the stated source period. This guide does not infer a final case date.

Which conditions and exceptions apply?

Actual operative event
service of the Court's invitation
Applicable procedural branch
The actual invitation under Rule 316.1 has been served and the invitee wishes to intervene The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period.
Host-state calendar and complete act
Rule 301 extends a procedural expiry falling on a weekend or official holiday of the court location to its next working day. Electronic non-receipt is a separate material branch.
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2
  • This UPC Applying to intervene after invitation guide preserves the 1-months source period and its completion deadline nature. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. The actual event, applicable branch, court location and complete final-day conditions require confirmation. It supplies no computed date or paid calculation.
  • Invited person who does not intervene and disputes being bound must distinguish lodge a statement contesting the proposed binding effect under Rule 316A.2, measured against service of the Rule 316.1 forced-intervention invitation. Its stated period is 1 months and its branch is required if contesting binding effect. That event does not replace service of the Court's invitation for present an Application to intervene. Registry and party seeking confidentiality must distinguish assess the protected interval before public availability under Rule 262.1(b), measured against the date content was available to all recipients. Its stated period is 14 days and its branch is conditional access restriction. That event does not replace service of the Court's invitation for present an Application to intervene. Claimant must distinguish correct the Statement of claim deficiencies under Rule 16.3(a), measured against service of the Registry correction notification. Its stated period is 14 days and its branch is required conditional correction. That event does not replace service of the Court's invitation for present an Application to intervene.

What must the responsible actor complete?

Questions about this procedure

When is the deadline for application to intervene following an invitation from the court?

Who acts on application to intervene following an invitation from the court?

Person invited who wishes to intervene is the relevant actor. The act is to present an Application to intervene. This branch is required if electing intervention.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

Which event starts the 1 month period?

The relevant event is service of the Court's invitation. The actual event must be established. A catalogue label or estimated event is insufficient.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

What does Rule 316.2 require here?

The primary provision identifies 1 month and the act to present an Application to intervene. The actual invitation under Rule 316.1 has been served and the invitee wishes to intervene.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

How do weekends and holidays affect this UPC branch?

For a procedural step, Rule 300 excludes the event day and uses calendar days, named-week anniversary or calendar-month/year anniversary with missing-day clamping. Judicial vacations do not suspend the period. Rule 301 extends a procedural expiry falling on a weekend or official holiday of the court location to its next working day. Electronic non-receipt is a separate material branch.

UPC Rules of Procedure, Rules 300 and 301

What changes this intervention after invitation branch?

The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period. An actual order, party agreement or different procedural track requires a separate check.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

Which facts must be checked for applying to intervene after invitation?

Check the actual invitation under rule 316.1 has been served and the invitee wishes to intervene. Confirm service of the Court's invitation. Check the actual court location, applicable order and any permitted variation. The initial invitation also has a court-specified period to indicate wishes. The later Statement in intervention has a separately specified period.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2

Official sources and review

Provisions used (2)
Provisions used in this guide
ProvisionPurpose
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 316.2Check the identified procedure, event, counting rule or qualification
UPC Rules of Procedure, Rules 300 and 301Check the identified procedure, event, counting rule or qualification
Read the official controlling provision

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