What is the India Patent Agent Examination?

It is the qualifying examination conducted by the Indian Patent Office (CGPDTM) for registration as a patent agent under Section 126 of the Patents Act, 1970. It comprises Paper I (Patents Act and Rules, with objective/MCQ questions), Paper II (specification drafting and interpretation), and a viva voce.

What is the passing standard?

A candidate must secure at least 50% of the marks in each paper and at least 60% in the aggregate, and must appear for the viva voce. Candidates who do not qualify may re-appear in later cycles.

Who is eligible to sit the exam?

Under Section 126, an applicant must be a citizen of India, have completed 21 years of age, and hold a degree in science, engineering, or technology from a recognised university. No prior practice experience is required to sit the exam.

What does Section 3 of the Patents Act exclude?

Section 3 lists non-patentable subject matter, including frivolous inventions (3(a)), new forms of known substances without enhanced efficacy (3(d)), plants and animals other than microorganisms (3(j)), and computer programmes per se (3(k)). Section 4 separately bars atomic-energy inventions.

How long is a patent term in India and when does compulsory licensing apply?

A patent lasts 20 years from the date of filing (Section 53). A compulsory licence may be sought under Section 84 after three years from grant where the public's reasonable requirements are unmet, the price is unaffordable, or the invention is not worked in India.

What changed in the Patents (Amendment) Rules, 2024?

For applications filed on or after 15 March 2024, the request for examination deadline under Rule 24B was reduced from 48 months to 31 months from the priority/filing date, aligning with the 31-month PCT national phase entry deadline.

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Key Facts: Patent Agent Exam Exam

50% / 60%

Pass: each paper / aggregate

Indian Patent Office

20 years

Patent term from filing (Section 53)

Patents Act, 1970

31 months

PCT national phase entry deadline

Patents Rules

3 years

Wait before compulsory licence (Section 84)

Patents Act, 1970

12 months

Post-grant opposition window (Section 25(2))

Patents Act, 1970

Age 21+

Eligibility (Section 126)

Patents Act, 1970

The India Patent Agent Examination registers science/engineering graduates as patent agents under Section 126 of the Patents Act, 1970. It has three parts: Paper I (Patents Act 1970 and Patents Rules, including objective/MCQ questions), Paper II (specification drafting and interpretation), and a viva voce. Pass standard is at least 50% in each paper and 60% in the aggregate. Core syllabus: patentability and the Section 3 non-patentable subject matter (including the 3(d) efficacy test from Novartis), application and specification (Sections 6, 9, 10), Section 8/Form 3 foreign-filing disclosure, examination and the 2024 Rules timelines (31-month RFE under Rule 24B), pre-grant and post-grant opposition (Section 25) and revocation (Section 64), rights (Section 48), 20-year term (Section 53), compulsory licensing (Sections 84/92/92A), PCT national phase (31 months) and the Paris Convention, and the Designs Act, 2000. Eligibility: Indian citizen, age 21+, science/engineering/technology degree. Fee and exact question count are notified per cycle on ipindia.gov.in.

Sample Patent Agent Exam Practice Questions

Try these sample questions to test your Patent Agent Exam exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under the Patents Act, 1970, which section enumerates the categories of inventions that are 'not patentable'?

A.Section 2

B.Section 5

C.Section 10

D.Section 3

Explanation: Section 3 of the Patents Act, 1970 lists subject matter that is 'not patentable' (e.g., frivolous inventions, mere discoveries, methods of agriculture, and computer programmes per se). Section 4 separately bars inventions relating to atomic energy.

2A pharmaceutical company seeks a patent on a new polymorphic form of a known drug. The new form has the same therapeutic efficacy as the existing form. Under the Patents Act, 1970, which provision most directly bars patentability?

A.Section 3(b)

B.Section 3(d)

C.Section 3(j)

D.Section 3(p)

Explanation: Section 3(d) bars the mere discovery of a new form of a known substance that does not result in enhancement of the known efficacy of that substance. Salts, esters, ethers, polymorphs, and isomers are deemed the same substance unless they differ significantly in properties with regard to efficacy (Novartis v. Union of India).

3An applicant files a claim directed to a 'computer programme per se' that performs a generic data-sorting routine with no technical effect. Under the Patents Act, 1970, this claim is barred by which clause of Section 3?

A.Section 3(k)

B.Section 3(f)

C.Section 3(h)

D.Section 3(m)

Explanation: Section 3(k) excludes a mathematical or business method, a computer programme per se, or algorithms. A bare software routine lacking a technical contribution or novel hardware integration falls squarely within this exclusion.

4Which of the following is excluded from patentability under Section 3(j) of the Patents Act, 1970?

A.A new chemical compound

B.A method of treatment of the human body

C.A mere admixture of substances

D.Plants and animals in whole or any part thereof, other than microorganisms

Explanation: Section 3(j) excludes plants and animals in whole or any part thereof (including seeds, varieties, and species) other than microorganisms, and essentially biological processes for the production or propagation of plants and animals.

5A method of medicinal treatment of human beings to render them free of disease is claimed. Under the Patents Act, 1970, which clause renders this non-patentable?

A.Section 3(i)

B.Section 3(c)

C.Section 3(d)

D.Section 3(b)

Explanation: Section 3(i) excludes any process for the medicinal, surgical, curative, prophylactic, diagnostic, therapeutic, or other treatment of human beings (and similar treatment of animals to render them free of disease or increase economic value).

6Under the Patents Act, 1970, the 'mere discovery of a scientific principle or the formulation of an abstract theory' is excluded by which clause of Section 3?

A.Section 3(a)

B.Section 3(c)

C.Section 3(e)

D.Section 3(g)

Explanation: Section 3(c) excludes the mere discovery of a scientific principle, the formulation of an abstract theory, or the discovery of any living thing or non-living substance occurring in nature.

7Section 4 of the Patents Act, 1970 prohibits the grant of patents in respect of inventions relating to which subject?

A.Pharmaceuticals

B.Atomic energy falling within sub-section (1) of Section 20 of the Atomic Energy Act, 1962

C.Software

D.Agricultural methods

Explanation: Section 4 bars patents for inventions relating to atomic energy falling within sub-section (1) of Section 20 of the Atomic Energy Act, 1962. This is a standalone bar separate from the Section 3 categories.

8Under Section 2(1)(ja) of the Patents Act, 1970, 'inventive step' means a feature of an invention that involves technical advance as compared to existing knowledge or having economic significance or both, and that makes the invention:

A.Novel only

B.Industrially applicable

C.Useful

D.Not obvious to a person skilled in the art

Explanation: Section 2(1)(ja) defines 'inventive step' as a feature that involves technical advance and/or economic significance and that makes the invention not obvious to a person skilled in the art. The non-obviousness limb was added by the 2005 amendment.

9The mere arrangement or re-arrangement or duplication of known devices, each functioning independently of one another in a known way, is excluded from patentability under which clause?

A.Section 3(f)

B.Section 3(d)

C.Section 3(k)

D.Section 3(p)

Explanation: Section 3(f) excludes the mere arrangement or re-arrangement or duplication of known devices, each functioning independently of one another in a known way. There must be functional interrelation or synergy to escape this exclusion.

10An invention consisting of traditional knowledge or an aggregation of known properties of traditionally known components is excluded under which clause of Section 3?

A.Section 3(p)

B.Section 3(h)

C.Section 3(b)

D.Section 3(l)

Explanation: Section 3(p) excludes an invention which in effect is traditional knowledge or which is an aggregation or duplication of known properties of traditionally known component or components.

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