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Patent Co-operation Treaty


At Mark Innovators, The Patent co-operation treaty is an agreement for International Co-operation.In the field of Patents. It is, however, largely a treaty for rationalization & co-operation with regard to the filing, search and examination of patent application. India has joined the patent co-operation treaty and has amended the patent law according tot the WTO commitments. The law has been amended in the year 1999.

· The requirements for filing the PCT application: -
· Full name, address & nationality of applicant (s) and the inventor (s).
· Specification, provisional / complete drawings, claims and abstract.
· List of countries to claim priority , if any, where the application / applications for the grant of patent has / have been filed ,along with.
· Date and application number.
· Power of attorney

Information for Filing of International Applications for Patent under PCT by Indian Applicants
a. Competent receiving office The Patent Office, Kolkata, and its branch Offices at New Delhi, Mumbai, Chennai (RO/IN)
International bureau (RO/IB), Geneva, Switzerland.
b. Language of filing RO/IN : English, Hindi
RO/IB : Any language
c. Elements of the International application i. Request (PCT/RO/101)
ii. Description
iii. One or more claims
iv. Abstractv. Drawings (where applicable)
vi Feesvii P.A./G.P.A. (where applicable)
d. No. of copies required RO/IN: 3 (i to v) to The Patent Office, Kolkata and 4 (i to v above) to the above Patent Office branch, new Delhi, Mumbai, Chennai RO/IB : 1
e. Competent International Searching Authorities [ISAs] Austrian Patent Office (AT)
Australian Patent Office (AU)
European Patent Office (EP)China Intellectual Property Office (CN)
United States Patent & Trademark Office (US)
Swedish Patent Office (SE)
f. Competent International Preliminary Examining Authorities [IPEAs] Austrian Patent Office (AT)
Australian Patent Office (AU)
European Patent Office (EP)
(only if ISA was AT,EP or SE)
China Intellectual Property Office (CN)
United States Patent & Trademark Office (US)
Swedish Patent Office (SE)

Intellectual Property Services in India, Bangladesh, Bhutan, Nepal, Pakistan & Sri Lanka

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