Time Limits for Entering National/Regional Phase under PCT Chapters I and II

(in months from priority date)
(status on 2 May 2011)

Note that detailed information on the excusing of delays in meeting time limits before certain designated/elected Offices is contained in the corresponding National Chapters of the PCT Applicant’s Guide.

 

Designated/elected Office	Chapter I (under PCT Article 22)	Chapter II (under PCT Article 39(1))
AE	30	30
AG1	30	30
AL2	31	31
AM3	31	31
AO1	30	30
AP4	31	31
AT2	30	30
AU	31	31
AZ3	30	31
BA	34	34
BB	30	30
BG2	31	31
BH	30	30
BR	30	30
BW5	31	31
BY3	31	31
BZ	30	306
CA	30 (427)	30 (427)
CH2,8	30	30
CL	30	30
CN	30	30
CO	31	31
CR	31	31
CU	30	30
CZ2	31	31
DE2	30	30
DK2	319	319
DM1	30	30
DO	30	30
DZ	31	31
EA	31	31
EC	31	31
EE2	31	31
EG	30	30
EP10	31	31
ES2	30	30
FI2	31	31
GB2	31	31
GD1	30	30
GE	31	31
GH5	30	30
GM5	30	31
GT	30	30
HN	30	30
HR2	31	31
HU2	31	31
ID	3111	3111
IL	30	30
IN	31	31
IS2	31	31
JP	30	30
KE5	30	30
KG3	31	31
KM1	30	30
KN1	30	30
KP	30	30
KR	31	31
KZ3	31	31
LA1	30	30
LC1	30	30
LK	30	30
LR5	30	31
LS5	30	31
LT2	31	31
LU2	2012	30
LY1	30	30
MA	31	31
MD3	31	31
ME1	30	30
MG	30	30
MK2	31	31
MN	31	31
MW5	30	30
MX	30	30
MY	30	30
MZ5	31	31
NA5	31	31
NG	30	30
NI	30	30
NO2	31	31
NZ	31	31
OA13	30	30
OM	30	30
PE	30	30
PG	31	31
PH	30 (317)	30 (317)
PL2	30	30
PT2	30	30
RO2	30	30
RS2	3014	3014
RU3	31	31
SC	31	31
SD5	30	30
SE2	31	31
SG	30	30
SK2	31	31
SL5	31	31
SM2	31	31
SV	30	30
SY	31	31
TH	30	30
TJ3	30	31
TM3	30	31
TN1	30	30
TR2	30 (337)	30 (337)
TT	30	31
TZ5	2112	31
UA	31	31
UG5	2112	31
US	30	30
UZ	31	31
VC	30	30
VN	31	31
ZA	31	31
ZM5	30	30
ZW5	30	31

 ________________________

¹ In the absence of information from the Office concerned, the time limits shown are those which would normally apply under PCT Articles 22(1) and 39(1)(a).  If the Office decides to apply longer time limits, that information will be published in the PCT Newsletter.

² If designated/elected for a European patent, see EP as DO/EO for the applicable time limits.

³If designated/elected for a Eurasian patent, see EA as designated/elected Office (DO/EO) for the applicable time limits.

⁴ This Office acts as DO/EO for the following State which does not act in the capacity of DO/EO:  SZ.

⁵ If designated/elected for an ARIPO patent, see AP as DO/EO for the applicable time limits.

⁶ May be extended upon written request of the applicant.

⁷ Time limit applicable if applicant pays an additional fee for late entry into the national phase (see relevant national chapter of PCT Applicant's Guide for details).

⁸ This Office acts as DO/EO for the following State which does not act in the capacity of DO/EO:  LI.

⁹ A special time limit of 20 months applies in respect of the Danish territory of the Faroe Islands.

¹⁰ This Office acts as DO/EO for the following States which do not act in the capacity of DO/EO:  BE, CY, FR, GR, IE, IT, LV, MC, MT, NL, SI.

¹¹ This time limit may be extended provided that the applicant pays an additional fee for late entry into the national phase.

¹² This Office has notified the International Bureau of the non-applicability of the time limit under PCT Article 22(1), as modified with effect from 1 April 2002 – it does not yet apply the 30-month time limit for entering the national phase.

¹³ This Office acts as DO/EO for the following States which do not act in the capacity of DO/EO:  BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG.

¹⁴ The time limit can be extended by 30 days if the applicant pays an additional fee for late entry into the national phase.