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Patent Criticalities

The things that quietly decide whether an invention can be protected - explained before they cost you anything.

Showing 8 of 56.

Critical

A granted patent does not mean you are free to sell

A patent is a right to stop other people. It is not a licence to practise your own invention. Your product can be simultaneously protected by your patent and blocked…

After grantBeginner
High

The wrong people are named as inventors

Inventorship is not authorship, seniority or reward. It is a factual question about who devised the invention **as claimed** - and because claims change during prose…

Before filingIntermediate
Critical

The patent died of neglect

Renewal fees are due from the expiration of the second year from the date of the patent, and each year after. Miss them and the patent ceases to have effect - usuall…

After grantBeginner
Critical

The working statement nobody filed

India requires patentees and licensees to tell the Patent Office whether a patent has been worked in India. The obligation moved from annual to once every three fina…

After grantIntermediate
High

A granted patent can still be taken away

Grant is a decision by an examining office on the material in front of it. Section 13(4) says expressly that it carries no warranty of validity - and there are four …

After grantBeginner
High

Somebody is reading your published application

Publication makes your application visible to everyone who competes with you. In some industries, opposition is a routine part of the landscape rather than an except…

During examinationAdvanced
High

The divisional you could no longer file

A divisional application must be filed before the parent is granted. That is a moving target you do not control - and it is the single most common way that valuable …

During examinationAdvanced
Medium

The licence that could not be enforced

Most licence disputes are not about royalty rates. They are about who may do what, where, and what happens when something changes - and those are the clauses that ge…

After grantIntermediate

LowWorth knowing
MediumCould create complications
HighCan materially affect protection
CriticalAct before proceeding

This is the Ragulika IP Educational Criticality - our own editorial prioritisation device, to help you decide what to read first. It is not a legal score, it is not calculated from your facts, and it says nothing about the strength of any particular application.

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Every explanation here links to the ones next to it. Follow the thread rather than the menu.

Educational guidance, not legal advice. This material is published by Ragulika IP for general education and information. It is not legal advice, it does not create a professional-client relationship, and it is not a substitute for advice on your own facts. Patentability, infringement, prosecution strategy and every other IP outcome turn on the specific facts and on the law and Patent Office practice as they stand at the time you act. Please take professional advice before making a decision, and read the underlying provision or judgment before relying on any point stated here.