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Man has tried to combat against death and acquire fables of gold ever since he was created by god or evolved as a distinct controlling species. Neither great seers nor the inquisitive lot succeeded in the aforementioned venture. However such efforts taken by the researchers have evolved into a distinct stream of knowledge called science. Physicians and other research scholars kept knowledge of science and medicine as a secret. In order to harness such a hard-earned knowledge for benefit of the kingdom, special titles were conferred during the medieval period.
Term patent is one such conferred title derived from a Latin word “LITTERAE PATENTEES” meaning ‘open letters’ or ‘an open documents’. A Patent may be defined as an exclusive monopoly right granted by the government for new invention to inventor for his disclosed invention for a limited period of time. The exclusive monopoly right is valid only within the territorial limits of country of grant for a limited span of time. In other words, patent is an

  • Idea
  • Invention which is new
  • Useful and non-obvious

Whether or not an invention is patentable is a legal determination made by a Patent Examiner at the Patent and Trademark Office. In some countries, all inventions can be patented. Other countries have restrictive definitions of patentable ” subject matter”.


The term “subject matter” refers to what can be patented. An invention can be patented only when:

  • Novelty – lack of Anticipation
  • Non-obviousness – involves Inventive step
  • Utility – Capable of industrial application


Inventions that cannot be Patented:

  • Algorithms, mathematical calculations and Computer Programs are not considered asinventions according to Indian patent law. In no case may a patent claim be used to exclude anyone from creating, distributing, selling or executing a computer program.
  • Inventions limited to the fields of defence purposes or atomic energy.
  • Technical field means an industrial application domain requiring the use of controllable forces of nature to achieve predictable results.
  • The production, handling, processing, distribution and presentation of information do not belong to a technical field, even when technical devices are employed for such purposes.
  • Mere rearrangement of equipments and devices without value addition and a modified version of well-known theory or an abstract.
  • An invention injurious to health or contrary to law or injurious to public health.

Invention Disclosure

Patent Disclosure

The protection under the Patents Act depends upon the detailed disclosure of the invention as the subject of its protection. The complete specification is an essential document in the procedure of patent application with drawing required to be attached according to the necessity. Complete specification shall fully describe the invention with:


The specification must start with a title, which is short, and, which describes the general nature of invention. The title should not contain anyone’s name, a fancy name and trade name or personal name or any abbreviation.

The disclosure of the invention sets forth in broad terms what the inventor considers to be the invention and what advantages are gained by the invention. Since it must be written broadly, it typically does not include all the intricate details of the invention’s operation. In fact, in most cases, it merely paraphrases the broadest claim.


The brief description of the drawings merely identifies the view shown in each figure. They are shown separately and accessed through separate link mechanism.

  • The specification must be written in good and clear English or Hindi. The specification should indicate those features, which are essential for the operation of the invention, as well as those features for which a choice can be made.
  • The description must be sufficiently detailed for someone who works in the same area of technology to be able to perform the invention from the information given in the description.
  • The best method of putting the invention into effect is required to be described in the description.


The drawings are provided to aid in understanding the invention. These drawings do not aid understanding for non-technical people; however, all inventions will have a drawing of some sort. Graphs and tables may also be included in this section.

  • The brief description of the drawings merely identifies the view shown in each figure. They are shown separately and accessed through separate link mechanism.
  • Drawing should be filed on standard A4 size sheet in duplicate. Drawing should be drawn on the sheet with margin of 4 cm on top and left hand and 3 cm at the bottom and right-hand side. Figure should be shown clearly on sufficient scale in upright position with respect totop and bottom position of the sheet.
  • At left-hand top corner of the sheet, the name of applicant should be mentioned. No. Of sheets and sheet no. Should be mentioned at the right-hand top corner. At the right-hand bottom, signature of the applicant/agent should be made mentioning the name there under.
  • A reference letter/numerals as used in the description should also be used in denoting the corresponding component/part in the figure(s).
  • No descriptive matter should appear on drawing except under certain cases such as flow sheet, chemical and other reactions etc. No drawing or sketch should appear in the specification.


The claims circumscribe the legal bounds of the invention and are generally written using specialized terms. Novelty of such inventions is well established. The claims describe the essential elements of an invention. In order to determine whether or not a product comes within the scope of a patent, one compares the product with each element of the claim; if the product is described by all the elements of the claim, then the product will come within the scope of that claim. Portion of invention not supported by claims becomes open to public. False and irrelevant claims disqualify the patent.

Claim drafting

A claim is a single sentence composed of three parts :

  • Introductory phrase – The introductory phrase identifies the category of the invention and sometimes the purpose.
  • Body of the claim – The body of the claim is the specific legal description of the exact invention that is being protected.
  • Link that joins the two – The linking consists of words and phrases such as- that comprises, inclusive of, consisting have and special features.