Quick Answer
A patentability search (or prior-art search) is a comprehensive techno-legal investigation conducted across global patent databases, academic journals, conference papers, and market disclosures to determine whether an invention meets the statutory requirements of novelty (Section 2(1)(l)) and inventive step (Section 2(1)(ja)) under the Indian Patents Act, 1970. In patent law, "prior art" includes any evidence that your invention was publicly known, used, published, or sold anywhere in the world before your filing date. Conducting a rigorous search prior to drafting prevents applicants from expending significant capital on applications that would face inevitable rejection in the First Examination Report (FER).
Key Takeaways
- Worldwide Scope of Prior Art: Under Indian law, novelty is judged on an absolute global scale. A research paper published in Japan or a patent granted in Germany constitutes valid prior art against an Indian patent application.
- Patentability vs. FTO: A patentability search answers "Can I patent this invention?"; a Freedom to Operate (FTO) search answers "Will manufacturing or selling this product infringe active third-party patents?".
- Strategic Claim Drafting: Prior art citations allow patent counsel to draft narrow, defensible claims that navigate around existing inventions while maximizing commercial protection.
- Non-Patent Literature (NPL): Over 30% of prior-art rejections in computer science and biotechnology originate from arXiv preprints, GitHub repos, and thesis papers rather than granted patents.
Types of Patent Searches
1. Patentability (Novelty) Search
Conducted before filing an application. The objective is to identify any prior patent or non-patent disclosure that discloses identical elements or renders the inventive step obvious. This search determines whether moving forward with a provisional or complete specification is commercially and legally viable.
2. Freedom to Operate (FTO) / Clearance Search
Conducted prior to launching a product or commercial plant in a specific jurisdiction. An FTO search examines only in-force, active patents and pending applications in India to verify that commercializing your product will not infringe any unexpired patent claims, averting costly High Court infringement litigation.
3. Patent Invalidation / Revocation Search
Conducted when sued for patent infringement or facing an opposition. The objective is to uncover prior art that the Patent Office examiner overlooked during prosecution, establishing that the granted patent lacks novelty or inventive step under Section 64 of the Patents Act, 1970.
Techno-Legal Search Methodology
A professional prior-art search involves methodical query construction using international classification systems:
- IPC and CPC Classification Mapping: Inventions are mapped to specific International Patent Classification (IPC) and Cooperative Patent Classification (CPC) subclasses to eliminate keyword variations.
- Boolean & Semantic Queries: Constructing multi-variable boolean algorithms combining synonyms, wildcards, and proximity operators across title, abstract, and claims fields.
- Citation Tree Analysis: Forward and backward citation tracking of the most closely related patents identified during the initial query phase.
- Legal Opinion & Claim Matrix: Counsel compiles a prior-art search report with a claim-by-claim element comparison matrix evaluating whether the proposed invention satisfies Section 2(1)(j).
Commission a Comprehensive Patentability Search
Before committing capital to patent drafting, let our patent attorneys conduct an exhaustive search across Indian and global databases to assess your invention's novelty and inventive step.
Primary Legal Authorities & Sources
- The Patents Act, 1970 (Sections 2(1)(j), 2(1)(l), 2(1)(ja), and 13).
- WIPO International Patent Classification (IPC) Guidelines.
- Manual of Patent Office Practice and Procedure, Chapter 5 (Examination of Applications).