When can an applicant request a Supplementary International Search?
An applicant can request a Supplementary International Search (SIS) at any time before the expiration of 22 months from the priority date of the international application. This is specified in PCT Rule 45bis.1(a), which states: The applicant may, at any time prior to the expiration of 22 months from the priority date, request that a…
Read MoreWhat is a Supplementary International Search (SIS)?
A Supplementary International Search (SIS) is an optional service in the Patent Cooperation Treaty (PCT) process that allows additional searches to be performed by a Supplementary International Searching Authority (SISA) during the international phase, in addition to the search performed by the main International Searching Authority (ISA). According to the MPEP, Requesting supplementary international search…
Read MoreHow does a Supplementary International Search differ from the main international search?
A Supplementary International Search (SIS) differs from the main international search in several key aspects: Optional nature: SIS is an optional service, while the main international search is mandatory for all PCT applications. Timing: SIS can be requested up to 22 months from the priority date, while the main search is conducted earlier in the…
Read MoreWhat are the fees associated with a Supplementary International Search?
There are two main fees associated with a Supplementary International Search (SIS): Supplementary search handling fee: This fee covers the costs of the International Bureau (IB). According to PCT Rule 45bis.2(a), The supplementary search request shall be subject to the payment of a fee for the benefit of the International Bureau (“supplementary search handling fee”)…
Read MoreWhich International Searching Authorities can perform a Supplementary International Search?
Not all International Searching Authorities (ISAs) can perform a Supplementary International Search (SIS). According to PCT Rule 45bis.9(a): An International Searching Authority shall be competent to carry out supplementary international searches if its preparedness to do so is stated in the applicable agreement under Article 16(3)(b), subject to any limitations and conditions set out in…
Read MoreWhat are the benefits of requesting a Supplementary International Search?
Requesting a Supplementary International Search (SIS) offers several benefits to PCT applicants: Reduced risk of new prior art: As stated in the MPEP, Requesting supplementary international search reduces the risk of new prior art being cited in the national phase. Expanded linguistic and technical scope: The MPEP notes, Requesting one or more supplementary international searches,…
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