IP Intelligence
Patents in Simple Words
Every complicated idea in patent law, starting from a human question instead of a legal definition.
A
Abandonment
The position where an application is treated as abandoned or withdrawn because a statutory requirement was not met in time - most commonly failing to put the application in order for grant within the period allowed after the examination report.
Think of it as: Death by deadline, not by decision.
Abstract
A brief technical summary, published with the application, whose only job is to let searchers work out quickly what the document is about.
Think of it as: The label on the outside of the box.
Anticipation
A finding that a single earlier disclosure already contained everything in a claim, so the claim is not new.
Think of it as: Somebody already published your claim, whether or not they realised it.
Assignment
A transfer of ownership of a patent or an application from one person to another. In India it must be in writing, and it has to be recorded in the register to be effective as evidence of title.
Think of it as: The deed of sale for the right.
C
Claim
A single, carefully worded sentence that defines the legal boundary of what the patent covers. Everything inside the words of a claim is protected; everything outside them is not.
Think of it as: The fence around your land. The description tells people what the land looks like; the claim says where the fence runs.
Claim construction
The process of deciding what the words of a claim mean, read purposively, through the eyes of the person skilled in the art, in the light of the specification and drawings.
Think of it as: Working out exactly where the fence runs before asking who crossed it.
Complete specification
The full patent document: title, field, background, a sufficient description of the invention and how to perform it, the best method known to the applicant, drawings where needed, an abstract, and the claims.
Think of it as: The finished blueprint plus the fence line.
Compulsory licence
A licence granted by the Controller to a third party, without the patentee's consent, on an application made after three years from grant, on grounds including that the reasonable requirements of the public have not been satisfied, that the invention is not available at a reasonably affordable price, or that it is not worked in the territory of India.
Think of it as: The State overriding the monopoly, on stated grounds, for a royalty.
Controller and Examiner
The Examiner searches the prior art and prepares a report; the Controller is the statutory officer who decides - who issues the examination report, holds hearings, and grants or refuses the application.
Think of it as: The examiner researches; the Controller decides.
Convention application
An application filed in India claiming priority from an application filed earlier in a convention country, within twelve months of that earlier filing.
Think of it as: Carrying your first filing date across a border.
D
Dependent claim
A claim that refers back to an earlier claim and adds something to it. It is automatically narrower than the claim it depends on.
Think of it as: Fallback positions, arranged from broad to specific.
Divisional application
A further application under section 16, filed in respect of an invention disclosed in the provisional or complete specification already filed, which may be filed at any time before the grant of the parent.
Think of it as: Splitting one application into two, keeping the original date.
E
Enablement
The requirement that the specification describe the invention fully enough that a person skilled in the art can perform it across the whole width of the claim, without inventive effort of their own.
Think of it as: Could a competent person in your field build it from your document alone?
Examination
The stage at which the Patent Office searches for prior art and assesses whether your application meets every requirement of the Act - novelty, inventive step, subject matter, sufficiency, clarity, unity and formalities.
Think of it as: A structured argument, on paper, with deadlines.
F
First Examination Report
The Patent Office's first written list of objections to your application, together with the prior art relied on. You have six months from its issue to put the application in order for grant, extendable by three further months on request.
Think of it as: A deadline with a document attached.
Foreign filing permission
A person resident in India may not apply outside India for a patent for an invention without written permission from the Controller, unless an application for the same invention was filed in India at least six weeks earlier and no secrecy direction has been imposed.
Think of it as: File in India first, or ask permission before filing anywhere else.
Freedom to operate
An assessment of whether making or selling your product in a given country would infringe someone else's rights that are in force there. It is a different question from whether your own invention is patentable.
Think of it as: Your patent says “nobody else may”. FTO asks “may I?”
H
Hearing
An oral proceeding before the Controller in which the applicant (usually through a patent agent) argues the outstanding objections, normally followed by written submissions.
Think of it as: The last conversation before the decision.
I
Independent claim
A claim that stands on its own and does not refer back to any other claim. It defines the widest thing the patent protects.
Think of it as: The outer fence. Everything else is fencing inside it.
Industrial application
An invention is capable of industrial application if it can be made or used in some kind of industry. In India this is a low bar in most fields - but it is a real one, and it is the reason pure theory and perpetual-motion claims fail.
Think of it as: Can somebody actually build it or run it?
Infringement
Doing, without the patentee's permission and in the country where the patent is in force, something the patentee has the exclusive right to do - making, using, offering for sale, selling or importing what the claims cover.
Think of it as: Did their product cross your fence line - every part of it?
Inventive step
An invention has an inventive step if, compared with what was already known, it involves a technical advance or an economic significance (or both) and would not have been obvious to a person skilled in that field.
Think of it as: Not “has anyone done this?” but “would a competent person in this field have thought of it anyway?”
Inventorship
The identification of the person or people who actually devised the invention as claimed - which is legally distinct from who owns it.
Think of it as: Authorship of the idea, not ownership of the right.
L
Licensing
An agreement by which the patentee permits another person to do something that would otherwise infringe, on agreed terms - exclusive, sole or non-exclusive, and usually limited by field, territory and time.
Think of it as: Renting out the right to cross the fence.
N
National phase
The stage at which a PCT application is taken into an individual country's system. In India the time limit is thirty-one months from the priority date.
Think of it as: The day the international application has to become an Indian one.
Novelty
An invention is novel if no single piece of prior art already discloses everything in your claim. Novelty is not about whether you copied anything - it is about whether the same thing was already public.
Think of it as: One document, one photograph, one product - does any single one of them already contain the whole of your claim?
P
Patent
A time-limited right, granted by the State, to stop other people from making, using, selling or importing your invention without permission - given in return for a full public description of it.
Think of it as: A twenty-year monopoly bought with a disclosure.
Patent family
The set of patent applications and patents in different countries that all derive from the same original filing or priority document.
Think of it as: Siblings sharing a birthday.
Patent landscape
A structured analysis of the patent activity in a technology area - who is filing, in which sub-areas, in which countries, and how that has changed over time.
Think of it as: A map of who has already claimed which ground.
Patent of addition
An application for an improvement or modification of an invention for which you already have a patent or a pending application, granted for the unexpired term of the main patent and without separate renewal fees.
Think of it as: An extension wing on a building you already own.
Patent portfolio
The set of patents and applications an organisation holds, managed as an asset with a strategy about what to file, where to file, what to keep and what to let go.
Think of it as: A property portfolio, with rent to pay on every plot.
Patent valuation
Estimating the economic value of a patent or a portfolio - typically by cost, by market comparables, or by the income it can be expected to protect or generate.
Think of it as: Pricing a right to exclude.
Patentability search
A search of published literature - patents and non-patent - to work out whether an invention is likely to be new and inventive, and where the closest existing disclosures sit.
Think of it as: Checking whether the world has already seen this, before you pay to argue that it has not.
PCT
A treaty procedure that lets you file one international application that has the effect of a filing in every contracting state, and then decide later which countries to actually pursue.
Think of it as: A single application that buys time and keeps options open - not a patent.
Person skilled in the art
A legal fiction: a competent practitioner in the relevant field who knows the common general knowledge and all the prior art, but has no inventive capacity of their own.
Think of it as: An excellent engineer who never has a new idea.
Post-grant opposition
An opposition filed by a person interested at any time after grant but before twelve months from the date of publication of the grant, decided by the Controller with the assistance of an Opposition Board.
Think of it as: A one-year window in which the grant can still be unpicked.
Pre-grant opposition
A written representation opposing the grant of a published application, which any person may file after publication and before grant.
Think of it as: An open door between publication and grant.
Prior art
Everything that was already available to the public anywhere in the world before your relevant date, in any form, and which can therefore be used to argue that your invention is not new or not inventive.
Think of it as: “Has the world already seen this?”
Priority date
The earliest date to which a claim is entitled - usually the date of your first filing for that subject matter. Prior art is judged against it.
Think of it as: A line drawn across time. Everything public before the line can be used against you; everything after it usually cannot.
Prosecution history
The complete record of correspondence between the applicant and the Patent Office - objections, replies, amendments and arguments - which anyone can inspect after publication.
Think of it as: A transcript of every concession you made.
Provisional specification
A first filing that describes the invention but need not contain claims. It secures a priority date, and a complete specification must follow within twelve months or the application is treated as abandoned.
Think of it as: A dated envelope. It protects what is inside it, and nothing else.
Public disclosure
Making the invention available to the public in any way, without an obligation of confidence - a talk, a paper, a demonstration, a sale, a social post, a crowdfunding page or a product launch.
Think of it as: Once it is out, it is prior art - including against you.
Publication
The Patent Office publishes your application in the Official Journal, ordinarily eighteen months from the earlier of your filing date and your priority date. You can also ask for it to be published earlier.
Think of it as: The day the envelope is opened in public.
R
Renewal fee
A fee payable to keep a patent in force, due from the expiration of the second year from the date of the patent and each year after that, payable before the year expires.
Think of it as: Rent on the monopoly.
Request for examination
A separate request (Form 18) asking the Patent Office to actually examine your application. Without it, nothing happens.
Think of it as: Joining the queue. Filing gets you a ticket; the request gets you into the line.
Restoration
An application to bring back a patent that ceased for non-payment of renewal fees, which must be made within eighteen months from the date the patent ceased to have effect.
Think of it as: A limited second chance, with a written explanation attached.
Revocation
Cancellation of a granted patent by a High Court, on a petition by a person interested or the Central Government, or by way of a counterclaim in an infringement suit.
Think of it as: Undoing the grant.
S
Section 3(d)
A provision that treats a new form of a known substance as unpatentable unless it differs significantly in properties **with regard to efficacy**, and also bars the mere discovery of a new property or new use of a known substance.
Think of it as: A second gate that pharmaceutical and chemical inventions must pass, after novelty and inventive step.
Section 3(k)
Section 3(k) excludes a mathematical method, a business method, a computer programme **per se**, and algorithms from being inventions.
Think of it as: Not a ban on software - a ban on software claimed as nothing but software.
Section 8 particulars
The duty to tell the Indian Patent Office about corresponding applications you have filed outside India for the same or substantially the same invention, and to keep the Controller informed.
Think of it as: Telling India what you are doing everywhere else.
Specification
The written document filed with a patent application: it describes the invention, how to perform it, the best method known to the applicant, and (in a complete specification) ends with the claims.
Think of it as: A frozen photograph of everything you knew on filing day.
Statement of working
A statement filed on Form 27 telling the Patent Office whether a granted patent has been worked in India, and if not, why not.
Think of it as: An honesty declaration about whether the monopoly is doing anything.
Support
The requirement that every claim be fairly based on the matter disclosed in the specification - that what you claim is what you described, no wider.
Think of it as: The fence must sit on land you actually described.
T
Technology mapping
Breaking a technology into its functional components and mapping existing patents, publications and products onto each component, so gaps and dependencies become visible.
Think of it as: An exploded diagram of a field, with owners written on each part.
Term of a patent
Twenty years from the date of filing the application - or, for a PCT application designating India, twenty years from the international filing date - subject to renewal fees being paid.
Think of it as: The clock starts on filing day, not on grant day.
Trade secret
Commercially valuable information kept confidential and protected through contract, access control and equitable duties of confidence rather than by registration. India has no dedicated trade secret statute.
Think of it as: Protection by keeping quiet, enforced through contracts and confidence.
U
Unity of invention
The requirement that a single application relate to one invention, or to a group of inventions linked so as to form a single inventive concept.
Think of it as: One application, one inventive idea.
Keep going.
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.