Section 3(i): Diagnostic and Treatment Method Claims
Recent Indian decisions explain why claim category, the diagnostic endpoint and the method actually claimed all matter under Section 3(i).
Read insightInsights & publications
Useful IP context, built to endure.
Articles, explainers and practice notes that help readers frame an IP question before the next conversation.
Featured insight
Latest articles
Section 3(k): Software, Algorithms and Technical Contribution
How Indian patent law assesses computer-related inventions, business methods and the technical contribution disclosed by the claims.
Read insightSection 3(d) and 3(e): New Forms, Efficacy and Combinations
A practical look at the Indian exclusions for new forms of known substances and mere admixtures, with recent court guidance.
Read insightPatent Renewals, Lapse and Restoration in India
How Indian renewal fees are timed, what the six-month extension means and when a lapsed patent may be considered for restoration.
Read insightPre-Grant and Post-Grant Patent Opposition in India
Who may oppose an Indian patent, the publication and grant windows, key forms and the main response deadlines.
Read insightPatent Examination in India: Form 18 and the Expedited Route
Understand the examination-request clock, the Form 18A eligibility categories and the separate response period after an examination report.
Read insightIndian Patent Filing: Documents, Forms and Key Deadlines
A practical checklist of core Indian patent filing documents and the post-filing deadlines that applicants should calendar.
Read insightWhat Is Patent Drafting? A Practical Introduction
Patent drafting is the process of turning a technical invention into a clear, structured patent specification.
Read insightPatent Filing in India: An Overview
An overview of the information, documents and decisions commonly involved in an Indian patent filing.
Read insightPatent Search vs Prior Art Search: Understanding the Difference
Search labels can overlap. The important question is what decision the research needs to support.
Read insightUnderstanding the First Examination Report in Indian Patent Practice
A First Examination Report identifies issues that may need to be addressed as an application progresses.
Read insightWhy Conduct a Trademark Search Before Filing?
A structured search can help make a more informed decision about a proposed mark before an application is filed.
Read insightStart a conversation
Have an IP question that needs a closer look?
Tell us a little about the innovation, brand or IP question you are considering.