Dr. Kalyan C. Kankanala recently delivered a lecture to the B.Tech – LLB students of UPES School of Law as part of the ‘Patent Law and Practice Program’ being taught by BananaIP Team at the School.
This lecture was aimed at helping the students understand the process of patent revocation in India and compare the grounds of revocation with those listed under pre-grant and post-grant oppositions. This table below is a summary of the grounds available under Pre-grant opposition, Post-grant opposition and Revocation.

Sl. No.

Grounds Pre grant Representation Post Grant Opposition Revocation

Relevant Sections

1

Prior Claiming Yes Yes Yes 25(1)(c), 25(2)(c), 64(1)(a)
2 Not entitled to apply No No Yes

64(1)(b)

3

Wrongful obtainment (Petitioner) Yes Yes Yes 25(1)(a),
25(2)(b),
64(1)(c)
4 Not an Invention Yes Yes  Yes

25(1)(f),

25(2)(f),

64(1)(d)

5

Not Novel
a.     Prior Patents
b.     Prior Publication
c.     Public Knowledge (India)
d.    Public Use (India)
Yes Yes Yes 25(1)(b),
25(1)(d),
25(2)(b),
25(2)(d),
64(1)(e)
6 Lacks inventive step./ Obvious – Person Skilled in the art Yes Yes Yes

25(1)e),

25(2)(e),

64(1)(f)

7

Not useful No No Yes 64(1)(g)
8 Insufficient description –
Not enabling
– Average Skill
– Average Knowledge
No best  method
Yes Yes Yes

25(1)(g),

25(2)(g),

64(1)(h)

9

Indefinite & Unsupported Claim No No Yes 64(1)(i)
10 Inequitable Conduct No No Yes

64(1)(j)

 

11

Ineligible subject matter Yes Yes Yes 25(1)(f),
25(2)(f),
64(1)(k)
12 Secret use (India) No No Yes

64(1)(l)

13

Non submission of IUFA
(Information and Undertaking regarding Foreign Applications)
Yes Yes Yes 25(1)(h),
25(2)(h),
64(1)(m)

14

Non compliance with FFP (Foreign Filing Permit) No No Yes 64(1)(n)
15 Contravention of secrecy direction No No Yes

64(1)(n)

16

Fraudulent Amendment No No Yes 64(1)(o)
17 Non-disclosure / wrong disclosure of biological material source Yes Yes Yes

25(1)(j),

25(2)(j),

64(1)(p)

18

Traditional Knowledge Yes Yes Yes 25(1)(k),
25(2)(k),
64(1)(q)
19 Convention filing after twelve months Yes Yes No

25(1)(i),

25(2)(i)

About Dr. Kalyan C. Kankanala
Dr. Kalyan C. Kankanala manages the largest new age Intellectual Property Firm, BananaIP Counsels, headquartered at Bangalore, India. In addition to helping clients maximize business value from intellectual assets, Dr. Kalyan also consults for United Nations Industrial Development Organization (UNIDO), and teaches at premier institutions such as National Law School of India University, Bangalore, and Indian Institute of Management, Bangalore (IIM-B).
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Attribution: Alachua County
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