Free deadline calculator

LMAA arbitration deadline calculator

Time limits under the London Maritime Arbitrators Association rules, encoded from the rules themselves with the citation, period, trigger and roll-over treatment for each. Pick a seat in the calculator below to compute a due date on that seat's real weekend and public-holiday calendar.

2021 edition in force from 2021-05-01 · Methodology

Keep the England and Wales civil defaults and go straight to what happened, or change the jurisdiction and forum first.

Jurisdiction

Institution

LMAA (London Maritime Arbitrators Association) deadlines, encoded from the institution's rules with their citations. Choose the seat (which sets the weekends and public holidays), the date the clock started, and the deadline. Confirm the exact rule edition before relying on a date.

Seat of arbitration

Drives the holiday calendar and the seat-law deadlines below.

When did the clock start? (trigger date)

Which deadline?

Receipt of the request to appoint an arbitrator.

After the award

Court deadlines under the seat law (United Kingdom (England & Wales))

These run under the law of the seat, not the institutional rules, and must be tracked separately. They are computed from the date of the award; confirm the seat and dates with counsel.

Challenge / appeal the award (England & Wales)

Date of the award (or, for awards on/after 1 Aug 2025, the "applicable date" under the Arbitration Act 2025)

28 days

Arbitration Act 1996 s.70(3)

Limitation to enforce the award (England & Wales)

The cause of action to enforce accrues

6 years

Limitation Act 1980 s.7

Legal disclaimer

Deadline Engine provides calculated dates based on procedural rules. It is not legal advice. You must independently verify every deadline against the underlying rules and the facts of your matter. Deadline Engine accepts no liability for missed deadlines.

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Cited to the rule

LMAA deadlines this calculator covers

7 encoded time limits, version-stamped to their rule edition.

Appoint an arbitrator on requestLMAA Terms 2021 para. 11

14 days from Receipt of the request to appoint an arbitrator

Binding2021 editionRolls over on the recipient's calendarVerify against the rules

Default notice before a sole arbitrator is appointedLMAA Terms 2021 para. 11

7 days from Service of notice that the appointing party intends to proceed to a sole arbitrator

Binding2021 editionRolls over on the recipient's calendarVerify against the rules

Serve the defence submissionsLMAA Terms 2021 Second Schedule

28 days from Service of the claim submissions

Binding2021 editionRolls over on the seat's calendarVerify against the rules

Serve the reply (extended to 28 days where there is a counterclaim)LMAA Terms 2021 Second Schedule

14 days from Service of the defence submissions

Binding2021 editionRolls over on the seat's calendarVerify against the rules

Publish the award (six-week advisory target)LMAA Terms 2021 para. 22

42 days from The last oral or written submissions

Advisory2021 editionRolls over on the seat's calendarVerify against the rules

Claim submissions (Small Claims Procedure)LMAA Small Claims Procedure 2021

14 days from Appointment of the sole arbitrator

Binding2021 editionRolls over on the seat's calendarVerify against the rules

Defence (Small Claims Procedure)LMAA Small Claims Procedure 2021

28 days from Service of the claim submissions

Binding2021 editionRolls over on the seat's calendarVerify against the rules

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Other arbitration institutions

ICC31 encoded time limits LCIA5 encoded time limits SIAC10 encoded time limits HKIAC11 encoded time limits ICSID9 encoded time limits UNCITRAL17 encoded time limits SCC4 encoded time limits VIAC7 encoded time limits Swiss Arbitration Centre5 encoded time limits DIAC4 encoded time limits DIS7 encoded time limits CIETAC7 encoded time limits ICDR / AAA3 encoded time limits KCAB8 encoded time limits