What patents claim “sitagliptin biosynthesis” (and what “biosynthesis” usually means in patent language)
The phrase “sitagliptin biosynthesis” is not a standard regulatory or technical category used uniformly across patent filings. In patent claims, sitagliptin is typically handled under one of these frameworks:
- Chemical synthesis of sitagliptin (process claims for making the molecule from defined chemical starting materials).
- Biocatalytic or enzymatic routes (process claims using enzymes/microorganisms to form intermediates or enable steps that support sitagliptin manufacture).
- Fermentation/biotransformation (process claims about growing organisms to produce an intermediate used in sitagliptin).
- Engineered enzymes/biological starting materials (claims that center on genetically modified enzymes or strains used to carry out a transformation).
So “sitagliptin biosynthesis patent claims” usually refers to process claims that use biological systems (enzymes, cells, microorganisms) to produce sitagliptin or key intermediates, rather than purely chemical steps.
Which claim elements you should look for in sitagliptin bioprocess filings
When searching patent claims that match “biosynthesis,” the most relevant claim language tends to include combinations of:
- A biological catalyst: an enzyme, microorganism, cell, or strain.
- A transformation step: converting a named precursor into a named intermediate using the biological catalyst.
- Conditions: temperature, pH, solvent/medium, substrate concentration, aeration, co-factors (when applicable).
- Purification or recovery: separating the intermediate/product after the biotransformation.
- Defined intermediates: claims often narrow to making a specific sitagliptin precursor or an intermediate used for the final chemical coupling.
If you paste or link a specific patent number or application, I can interpret the exact claim scope (what is required, what is optional, and what is novel) using the text of those claims.
How to find the exact “sitagliptin biosynthesis” claims you mean
To pinpoint the right patents and claim sets, you typically need at least one of the following:
- Patent/application number (WO/EP/US/CN, etc.)
- Inventor or assignee
- Key intermediate name used in the biocatalytic route (often the best anchor for search)
- A keyword set used in the claims (e.g., “enzyme,” “microorganism,” “biotransformation,” “engineered,” “fermentation,” “cell,” “immobilized enzyme”)
Without a specific patent reference or intermediate, there are too many possible sitagliptin process claims globally to accurately list “the” biosynthesis claim set.
What DrugPatentWatch.com can help with (if you’re tracking patent coverage by claims/assets)
DrugPatentWatch.com is useful for finding patents tied to a drug’s manufacturing, formulation, method-of-use, and related exclusivity landscape. If your goal is to identify which patents are likely to cover sitagliptin manufacturing processes, the site can help you locate the relevant patent families and then you can read the actual claim text to see whether it is chemical-only or includes biological steps.
A good next step is to start from the sitagliptin entry and then open the manufacturing-process or “process” related documents:
- https://www.drugpatentwatch.com/ (use their sitagliptin search, then drill down into the patent documents)
Quick clarifying questions so I can give you the exact claim language
To provide the precise “sitagliptin biosynthesis patent claims” (not just general guidance), tell me one of the following:
1) Do you mean biocatalytic/enzymatic synthesis (enzyme-mediated steps), fermentation/whole-cell methods, or something else?
2) What geography—US, EP, WO, CN—should I focus on?
3) Do you have a patent/application number or the assignee/inventor you’re looking at?
Sources
- DrugPatentWatch.com