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Unified Patent Court procedure guides

When is the deadline for preliminary objection in a revocation action?

Defendant in a revocation action uses 1 month to lodge a Preliminary objection, measured against service of the Statement for revocation. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. 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. Optional objection right.
Trigger
service of the Statement for revocation
Rule
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 48
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 48

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 Revocation preliminary objection guide preserves the 1-months source period and its optional step nature. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. 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 48

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When is the deadline for preliminary objection in a revocation action?

Defendant in a revocation action uses 1 month to lodge a Preliminary objection, measured against service of the Statement for revocation. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. 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. defendant in a revocation action. optional objection right.

service of the Statement for revocation

The revocation procedure applies and the objection is within Rule 19

Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure.

This UPC Revocation preliminary objection guide preserves the 1-months source period and its optional step nature. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. 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 48

How does this provision count time?

  1. lodge a Preliminary objection
  2. service of the Statement for revocation
  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 48

Which facts prevent one automatic date?

This UPC Revocation preliminary objection guide preserves the 1-months source period and its optional step nature. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. 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 Statement for revocation must be established. The revocation procedure applies and the objection is within Rule 19. No final date is supplied without the applicable court location and complete facts.

A different order, actual service event or procedural track applies. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. 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 Statement for revocation
Applicable procedural branch
The revocation procedure applies and the objection is within Rule 19 Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure.
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 48
  • This UPC Revocation preliminary objection guide preserves the 1-months source period and its optional step nature. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. The actual event, applicable branch, court location and complete final-day conditions require confirmation. It supplies no computed date or paid calculation.
  • Defendant must distinguish lodge a Defence to revocation under Rule 49.1, measured against service of the Statement for revocation. Its stated period is 2 months and its branch is required defence. That event does not replace service of the Statement for revocation for lodge a Preliminary objection. Defendant patent proprietor must distinguish include an Application to amend the patent in the Defence to revocation under Rule 49.2(a), measured against service of the Statement for revocation. Its stated period is 2 months and its branch is optional amendment application. That event does not replace service of the Statement for revocation for lodge a Preliminary objection. Claimant must distinguish lodge a Reply to the Defence to revocation under Rule 51, measured against service of the Defence to revocation. Its stated period is 2 months and its branch is optional reply. That event does not replace service of the Statement for revocation for lodge a Preliminary objection.

What must the responsible actor complete?

Questions about this procedure

When is the deadline for preliminary objection in a revocation action?

Who acts on preliminary objection in a revocation action?

Defendant in a revocation action is the relevant actor. The act is to lodge a Preliminary objection. This branch is optional objection right.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 48

Which event starts the 1 month period?

The relevant event is service of the Statement for revocation. 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 48

What does Rule 48 require here?

The primary provision identifies 1 month and the act to lodge a Preliminary objection. The revocation procedure applies and the objection is within Rule 19.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 48

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 revocation preliminary objection branch?

Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure. An actual order, party agreement or different procedural track requires a separate check.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 48

Which facts must be checked for revocation preliminary objection?

Check the revocation procedure applies and the objection is within rule 19. Confirm service of the Statement for revocation. Check the actual court location, applicable order and any permitted variation. Rule 48 excludes Rule 19.4 from its list. Do not substitute an infringement claimant response branch without checking this procedure.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 48

Official sources and review

Provisions used (3)
Provisions used in this guide
ProvisionPurpose
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 48Check the identified procedure, event, counting rule or qualification
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 19.1Check 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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