2.5 Abbreviations

In these Guidelines, the following abbreviations are used:

AAD	Arrangements for the automatic debiting procedure
ADA	Arrangements for deposit accounts
AI	Administrative Instructions under the PCT
ARIPO	African Regional Intellectual Property Organization
Art.	Article
EPC	European Patent Convention
EPO	European Patent Office
ESOP	European search opinion
GL/EPO	Guidelines for Examination in the EPO
GL/ISPE	PCT International Search and Preliminary Examination Guidelines
GL/PCT‑EPO	Guidelines for Search and Examination at the EPO as PCT Authority
GL/RO	PCT Receiving Office Guidelines
IB	International Bureau
IPE	International preliminary examination
IPEA	International Preliminary Examining Authority
IPER	International preliminary examination report
IPRP	International preliminary report on patentability
ISA	International Searching Authority
ISR	International search report
OJ EPO	Official Journal of the European Patent Office
PCT	Patent Cooperation Treaty
PCT AG I	PCT Applicant's Guide – Introduction to the International Phase
PCT-CLAR	Request for clarification before search
PCT/AI	Administrative Instructions under the PCT
PPH	Patent Prosecution Highway
RFees	Rules relating to Fees
RO	Receiving Office
SIS	Supplementary international search
SISA	Supplementary International Searching Authority
SISR	Supplementary international search report
WIPO	World Intellectual Property Organization
WO‑ISA	Written opinion of the International Searching Authority

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