[Patentpractice] Utility of Method of Making

Suzannah K. Sundby suzannah at canadylortz.com
Fri Dec 27 18:54:39 UTC 2024


Need case law:

I'd like to avoid the expense and time of having to appeal to the Board.  So, does anyone have:

  1.  Precedential case law on point holding that methods of making a genus of products have sufficient utility where at least one product belonging to the genus has utility; and/or
  2.  Citable law or rule that says Examiner's must follow Board decisions that are directly on point even if the Board decision is non-precedential (I vaguely recall Boundy or someone else say something about the MPEP is binding on Examiners but not necessary applicants... thus I wonder if there is something similar with Board decisions...)

Facts/Background:

Claims are to a method of making a genus of products.

Some products belonging to the genus have all the utilities, i.e., specific, substantial, and credible, etc.  Some products belonging to the genus do not.

While this is a biotech case an analogy can be made to, e.g., a method of joining links together to make a chain.  Some formed chains have utility, some might not.

My specific claim is a method of joining together pieces of DNA into a larger single DNA molecule.  That is, it is a generic recombinant DNA technique that has advantages (e.g., faster/more efficient and one-pot reaction mixture) over prior art techniques.

There is a specific PTAB appeal decision that is directly on point but non-precedential, Ex parte Lindstrom, 431, Appeal 2018-000914, Application 14/320 (PTAB Feb 21, 2019), which I previously pointed to in the last response.

The Examiner maintained lack of utility rejection insisting that the resulting DNA molecules must be limited to those which have specific, substantial, and credible utility... and points to all the BS crap in the MPEP, Brenner v. Manson, In re Fisher, etc.

I understand Brenner v. Manson held lack of utility because the method was to making a specific thing, which specific think had no known utility.  The claims in In re Fisher were to genetic markers, which the product claims thereto lacked utility because the genetic markers all by themselves as products do not have any use.

But here the claims are to a recombinant DNA method-recombinant DNA methods in and of themselves have substantial, specific, and credible utility.  In fact, the Board in Lindstrom said:

There can be no reasonable dispute that a general method that joins two nucleic acids, whether by restriction enzyme cleavage followed by ligation with DNA ligase, fusion polymerase chain reaction, or the instantly claimed Cas9 process, has specific, substantial, and credible utilities immediately recognizable by the ordinary molecular biologist for use in cloning and other procedures.

But the Examiner is being an *ss and asserts that the resulting DNA molecules must be limited to specific DNA molecules that have utility themselves (meaning the resulting DNA molecules must be limited to specific DNA sequences, which is completely absurd).

Suzannah K. Sundby<http://www.linkedin.com/in/ssundby/> | Partner
canady + lortz LLP<http://www.canadylortz.com/>
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