Unified Patent Court procedure guides
When is the deadline for reply to the defence to the request to lay open books?
Applicant uses 14 days to lodge a Reply to the books Defence, measured against service of that Defence. The Reply is limited to matters raised. Fourteen days must not become one calendar month. 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.
- Period
- 14 days. Optional reply.
- Trigger
- service of that Defence
- Rule
- UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.3
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 Reply to a books defence guide preserves the 14-days source period and its optional step nature. The Reply is limited to matters raised. Fourteen days must not become one calendar month. 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 142.3What lawyers say
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When is the deadline for reply to the defence to the request to lay open books?
Applicant uses 14 days to lodge a Reply to the books Defence, measured against service of that Defence. The Reply is limited to matters raised. Fourteen days must not become one calendar month. 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. applicant. optional reply.
service of that Defence
The Defence to the Request to lay open books has been served
The Reply is limited to matters raised. Fourteen days must not become one calendar month.
This UPC Reply to a books defence guide preserves the 14-days source period and its optional step nature. The Reply is limited to matters raised. Fourteen days must not become one calendar month. 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 142.3How does this provision count time?
- lodge a Reply to the books Defence
- service of that Defence
- 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.
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 142.3Which facts prevent one automatic date?
This UPC Reply to a books defence guide preserves the 14-days source period and its optional step nature. The Reply is limited to matters raised. Fourteen days must not become one calendar month. The actual event, applicable branch, court location and complete final-day conditions require confirmation. It supplies no computed date or paid calculation.
The identified actor has the document or event described by this source provision. service of that Defence must be established. The Defence to the Request to lay open books has been served. No final date is supplied without the applicable court location and complete facts.
A different order, actual service event or procedural track applies. The Reply is limited to matters raised. Fourteen days must not become one calendar month. 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 Defence
- Applicable procedural branch
- The Defence to the Request to lay open books has been served The Reply is limited to matters raised. Fourteen days must not become one calendar month.
- 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.
- This UPC Reply to a books defence guide preserves the 14-days source period and its optional step nature. The Reply is limited to matters raised. Fourteen days must not become one calendar month. 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 Defence for lodge a Reply to the books Defence. 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 Defence for lodge a Reply to the books Defence. 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 Defence for lodge a Reply to the books Defence.
What must the responsible actor complete?
Questions about this procedure
When is the deadline for reply to the defence to the request to lay open books?
Who acts on reply to the defence to the request to lay open books?
Applicant is the relevant actor. The act is to lodge a Reply to the books Defence. This branch is optional reply.
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.3Which event starts the 14 days period?
The relevant event is service of that Defence. 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 142.3What does Rule 142.3 require here?
The primary provision identifies 14 days and the act to lodge a Reply to the books Defence. The Defence to the Request to lay open books has been served.
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.3How 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 301What changes this lay open books reply branch?
The Reply is limited to matters raised. Fourteen days must not become one calendar month. An actual order, party agreement or different procedural track requires a separate check.
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.3Which facts must be checked for reply to a books defence?
Check the defence to the request to lay open books has been served. Confirm service of that Defence. Check the actual court location, applicable order and any permitted variation. The Reply is limited to matters raised. Fourteen days must not become one calendar month.
UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.3Official sources and review
Provisions used (2)
| Provision | Purpose |
|---|---|
| UPC Rules of Procedure, amended text effective January 1, 2026, Rule 142.3 | Check the identified procedure, event, counting rule or qualification |
| UPC Rules of Procedure, Rules 300 and 301 | Check the identified procedure, event, counting rule or qualification |