What is a Markush group?
A Markush group is a claim drafting tool used to capture various alternative elements or species in a single claim. A typical Markush group is structured using the following language: “selected from the group consisting of A, B, and C” or “selected from the group consisting essentially of A, B, and C.
What is indefiniteness patent law?
Specifically, the USPTO decided on the Nautilus standard, under which a claim is invalid as indefinite “if the claim, read in light of the specification delineating the patent, and the prosecution history, fails to inform, with reasonable certainty, those skilled in the art about the scope of the invention.” The …
What is a 112 rejection?
A Section 112 rejection in a patent Office Action means that the examiner considers certain claim language indefinite. Section 112 rejections are often regarded as “non-substantive” by patent practitioners because they typically relate to the form, and not the substance, of the claims.
How do you respond to the election of species?
To respond, the Applicant must elect one species. The Examiner will begin by searching for the elected species. If the elected species is allowable, the generic claims will be prosecuted.
What is Markush formula?
A Markush structure is a representation of chemical structure used to indicate a group of related chemical compounds. They are commonly used in chemistry texts and in patent claims.
What is a Markush claim?
It is the claims which define and carve out the scope of the invention. The Markush claim allows a patent drafter to select a particular element of the invention wherein that element may be selected from a group of elements all sharing some common characteristic.
Is indefiniteness a word?
The quality or state of being ambiguous: ambiguity, ambiguousness, cloudiness, equivocalness, nebulousness, obscureness, obscurity, uncertainty, unclearness, vagueness.
What is a 103 rejection?
A rejection based on 35 USC §103 is used when the claimed invention is not identically disclosed or described so the reference teachings must somehow be modified in order to meet the claims.
What is a species election?
The difference is that in an election of species, the Examiner believes that it is possible that the claims in the application would cover more than one variation (“species”) of a single invention.
What does without traverse mean?
If the election is made without traverse, which is typically the recommended route unless there are unique circumstances, then the applicant merely makes an election.
How many chemical structures are represented by the Markush structure shown?
Markush structures represent four main types of structural variation: substituent, positional, frequency, and homology.
