Date: 2014-06-12 02:48:09

Property law

Patent

Unity of invention

Utility

Prior art

Person having ordinary skill in the art

Inventive step and non-obviousness

Sufficiency of disclosure

Claim

Patent law

Law

Civil law

To, Dr. A. Chakraborty Assistant Controller of Patents, CP-2 Sector V, Salt Lake City, Kolkata[removed], April 4, 2014

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