Patent Search Contact Us for Intellectual Property Services BananaIP Counsels Regd Office No.40,3rd Main Road,JC Industrial Estate, Kanakapura Road,Bangalore – 560 062. Email: contact@bananaip.com Telephone: +91-80-26860414/24/34

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Patent Search
By
Nitin Nair

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Patent Search
Performed to uncover related prior
arts/references
Criteria?

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Search Databases

Free databases
USPTO, Espacenet, Google Patents, InPass
Paid databases
Delphion, Micropatent, Thomson Scientific,
Questel

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Search methodologies

Keyword Searches
Classification based searches

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Keyword Searches

Detailed as possible
Use as many synonyms/variations in
terminology as possible
Boolean operators

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Keyword Searches - Example

A flexible hollow cylindrical length of plastic,
where both ends of the cylinder are open.
The diameter of the cylinder may be very
small, as compared to the height of the
cylinder. The plastic may be of a single
colour or may have a design on the outer
surface.

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Keyword Searches - Example

Possible keywords: Cylinder, hollow,
flexible, tube

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Keyword Searches - Example

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Keyword Searches - Example

Possible keywords: plane, aircraft, airplane,
aero plane, flying machine, flying vehicle,
vehicle capable of flight, plane with three
engines, tail mounted engine

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
Drawbacks
Inconsistent terminologies
Non-English patent documents/translations
Keyword Searches

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Classification based searches

Patents are classified into various classes
Search is performed within classes

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Types of classifications

IPC
ECLA
USPTO Classification
Cooperative Patent Classification (CPC)

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Classification based searches

USPTO 7 step strategy
Discover keywords
Find potential classes using classification index
Verify classes using classification schedule
Verify scope use class definitions
Search for patents in the identified classes
Retrieve relevant patents
Check other sources

14. (c) BIP Counsels, 2017
Classification based searches

USPTO 7 step strategy
Discover keywords
Find potential classes from relevant patents
identified using the keywords
Verify classes using classification schedule
Verify scope using class definitions
Search for patents in the identified classes
Retrieve relevant patents
Check other sources

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Google Patents - Search
http://patents.google.com

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USPTO search
http://uspto.gov

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Tips

Citations
Searched classes
Inventors
Assignee
Family members

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Types of searches

Patentability Analysis
Freedom to Operate Analysis
Landscape Analysis
Infringement Analysis
Invalidity Search

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Patentability Analysis
To understand the prior arts that may affect
the chance of obtaining a patent for an
invention and assist in preparing the draft
Patentability criteria?

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Landscape Analysis
To understand the technology and areas of
research

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Infringement Analysis
To check if a product infringes on a patent

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FTO Analysis
To check if a product/process may be
practiced in a jurisdiction

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Invalidity Analysis
To search for at least one prior art which
will invalidate a patent

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Thank you
Nitin Nair
nitin@bananaip.com