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Unified Patent Court procedure guides

When is the deadline for unsuccessful party informs the registry that it accepts the request to lay open books?

Unsuccessful party accepting the Request uses 2 months to inform the Registry that the Request to lay open books is accepted, measured against service of that Request. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. 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
2 months. Required conditional notification.
Trigger
service of that Request
Rule
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.1
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.1

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 Accepting a request to lay open books guide preserves the 2-months source period and its completion deadline nature. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. 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 142.1

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When is the deadline for unsuccessful party informs the registry that it accepts the request to lay open books?

Unsuccessful party accepting the Request uses 2 months to inform the Registry that the Request to lay open books is accepted, measured against service of that Request. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. 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. unsuccessful party accepting the Request. required conditional notification.

service of that Request

The unsuccessful party accepts the Request

The judge-rapporteur makes the order. Notification does not itself prove books have been delivered.

This UPC Accepting a request to lay open books guide preserves the 2-months source period and its completion deadline nature. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. 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 142.1

How does this provision count time?

  1. inform the Registry that the Request to lay open books is accepted
  2. service of that Request
  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 142.1

Which facts prevent one automatic date?

This UPC Accepting a request to lay open books guide preserves the 2-months source period and its completion deadline nature. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. 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 that Request must be established. The unsuccessful party accepts the Request. No final date is supplied without the applicable court location and complete facts.

A different order, actual service event or procedural track applies. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. 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 that Request
Applicable procedural branch
The unsuccessful party accepts the Request The judge-rapporteur makes the order. Notification does not itself prove books have been delivered.
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 142.1
  • This UPC Accepting a request to lay open books guide preserves the 2-months source period and its completion deadline nature. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. The actual event, applicable branch, court location and complete final-day conditions require confirmation. It supplies no computed date or paid calculation.
  • Successful party seeking quantified damages must distinguish lodge an Application for the determination of damages under Rule 126, measured against service of the final merits decision on both infringement and validity, or the date of the qualifying award order. Its stated period is 1 years and its branch is required if seeking determination. That event does not replace service of that Request for inform the Registry that the Request to lay open books is accepted. Unsuccessful party accepting the damages claim must distinguish inform the Registry of acceptance under Rule 137.1, measured against the established service event for the damages Application. Its stated period is 2 months and its branch is required conditional notification. That event does not replace service of that Request for inform the Registry that the Request to lay open books is accepted. Unsuccessful party contesting damages must distinguish lodge a Defence to the damages Application under Rule 137.2, measured against service of the Application, or service of the Rule 131.2 indication after laying open books. Its stated period is 2 months and its branch is required conditional defence. That event does not replace service of that Request for inform the Registry that the Request to lay open books is accepted.

What must the responsible actor complete?

Questions about this procedure

When is the deadline for unsuccessful party informs the registry that it accepts the request to lay open books?

Who acts on unsuccessful party informs the registry that it accepts the request to lay open books?

Unsuccessful party accepting the Request is the relevant actor. The act is to inform the Registry that the Request to lay open books is accepted. This branch is required conditional notification.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.1

Which event starts the 2 months period?

The relevant event is service of that Request. 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 142.1

What does Rule 142.1 require here?

The primary provision identifies 2 months and the act to inform the Registry that the Request to lay open books is accepted. The unsuccessful party accepts the Request.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.1

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 lay open books acceptance branch?

The judge-rapporteur makes the order. Notification does not itself prove books have been delivered. An actual order, party agreement or different procedural track requires a separate check.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.1

Which facts must be checked for accepting a request to lay open books?

Check the unsuccessful party accepts the request. Confirm service of that Request. Check the actual court location, applicable order and any permitted variation. The judge-rapporteur makes the order. Notification does not itself prove books have been delivered.

UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.1

Official sources and review

Provisions used (2)
Provisions used in this guide
ProvisionPurpose
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.1Check 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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