Claiming priority
12 months from priority date
By 14 months, file late declaration with evidence, discretionary;
no EOT
Correcting priority
16 months from priority date;
no EOT
Pay filing fee/submit claims or abstract under S15(10)
(if no priority) 12 months from filing date or
(if has priority) the later of
12 months from priority date or
two months after after filing date;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
Filing statement of inventorship
16 months from priority date or filing date;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
Submitting certified priority document
16 months from priority date;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
Further discretionary eot with evidence and form 52 and pay fee, file the delayed form/doc and pay fee ?not necessary to file the request for eot before the expiry of the period of time prescribed by rule
Request search
PF9A
12 months from priority/filing date
For new applications, the later of two months after initiation date or 12 months from priority/filing date.
If new application is filed within 6 months preceding compliance date, search should be requested on initiation date;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
Request examination
PF10
6 months from publication date.
For new applications, the later of 2 years from filing/priority date or 2 months from initiation date.
If new application is filed within 6 months preceding compliance date, exam should be requested on initiation date.
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
Respond to examination report
if the first Examination Report is issued more than 3 ½ years from the filing date, the deadline for response is now 2 months. If the first Examination Report is issued less than 3 ½ years from the filing date, the period of response remains at 4 months.
2 months discretionary eot by writing to UKIPO;
Ring the examiner for requesting further eot with reasons, at examiner’s discretion; file response by extended dd or file a holding response now
File divisional application
Before the parent application is granted/terminated and before 3 months preceding the compliance date;
For div filed on and after 1 May 2023, a divisional application’s compliance period is the original un-extended compliance period of its parent application.
2 months eot at discretion under Rule 19 with reasons, no form or fee required;
2 months as-of-right extension to the compliance period (R30-Part 2 and 3) with form 52;
Further discretionary two months with form 52 + evidence + fees
Pay renewal
Granted before 45 months-
4th anniversary of filing date (no earlier than 3 months before the date of filing anniversary, last day of month)
Granted after 45 months-
3 months after the date of grant, last day of month;
EP patent designating GB:
The later of:
3 months after the date of grant publication, last day of month; OR
anniversary of filing date, last day of month.
Six-month as-of-right eot;
No further eot
Filing a national phase application
31 months from priority date/filing date;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
Compliance date
Latest of -
4.5 years (4 years and 6 months) beginning immediately after priority date or filing date
12 months after the first examination report
18 months from first observation report; if the first observations report is sent within 3 months from the end of period, the period is extended to 3 months from the issue date of the report;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
UK NPE: make late priority declaration
1 month after NPE;
no EOT
UK NPE: Inventorship declaration
later of 16 months from priority date/filing date or 2 months from the beginning of the NPE;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
UK NPE: Search
later of 12 months from priority/filing date or 2 months from the beginning of the NPE;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
UK NPE: request exam
later of 33 months from priority/filing date or two months from the beginning of the NPE;
2 months as-of-right eot, form 52 and pay fee, must be filed within the two months period, file the delayed form/doc and pay fee;
2 months discretionary eot with evidence and form 52, file within two month extended deadline, file the delayed form/doc and pay fee
