I can help with that. I can’t fetch live patent databases here, but I can guide you on how to find patent applications on biosynthetic production of histamine and what to look for. If you want, I can also draft a focused search plan and help interpret results you provide.
High-level context
- Biosynthetic production of histamine would typically involve engineered microorganisms or enzymes that convert histidine to histamine (via histidine decarboxylase, HDC) in a fermentation or biocatalysis setting.
- Patent claims are likely to cover: specific engineered host strains or enzymes, genetic constructs (hdc and accessory genes), fermentation/process conditions, biosynthesis yields/titers, purification methods, in situ product removal, and safety/regulatory considerations.
- Because histamine is a biogenic amine with safety implications, some claims may also address impurity profiles, final product specifications, and regulatory-compliant production.
How to search effectively (databases and keywords)
- Databases to query
- Google Patents (great for quick, broad sweeps)
- Espacenet (European patents; good for families and legal status)
- USPTO Patents Full-Text and Image Database (US-focused)
- WIPO Patentscope (PCT international applications)
- Suggested search strings (use in combination with AND/OR/NOT and quotation marks)
- "histamine biosynthesis" AND patent
- "histidine decarboxylase" biosynthesis patent
- "bioproduction of histamine" patent
- "recombinant histamine production" patent
- "histamine production fermentation" patent
- "engineered microorganism histamine production" patent
- "biotechnological production of histamine" patent
- "histamine synthesis" AND biosynthesis AND patent (broader terms)
- Targeted terms to broaden/narrow
- Host organisms: “Lactobacillus,” “Enterococcus,” “Saccharomyces,” “E. coli”
- Enzymes/genes: “histidine decarboxylase,” “hdc”
- Process aspects: “fermentation,” “biocatalysis,” “in situ product removal,” “purification”
- Classification codes to look for
- Look under microbe/biotechnology classifications (varies by database), plus terms like fermentation, enzyme engineering, and biocatalysis.
- How to structure a search
- Start broad: histamine AND patent
- Narrow by biosynthesis/bioproduction terms
- Filter by jurisdiction/timeframe if needed
- Check family members and legal status (granted, pending, abandoned)
- References to extract
- Title, abstract, claims, representative description
- Assignee/inventors, priority date, filing/publication date
- National phase entries and PCT families for global coverage
- Any cited prior art to assess novelty and inventive step
What to expect in the patent landscape
- Common claim themes you’re likely to see
- Recombinant host strains expressing histidine decarboxylase with optimized expression systems
- Co-expression of accessory pathways or transporters to improve histamine flux and reduce toxicity
- Fermentation/process optimization for high titer, yield, and productivity
- In situ product removal or capture of histamine during fermentation
- Purification and formulation methods to obtain pharmaceutical-grade or food-grade histamine
- Safety, toxicity, and impurity control strategies
- Potential players
- Biotech and fermentation companies, enzyme/biocatalysis firms, and academic spinouts working on amino acid decarboxylases or microbial production platforms
- Food fermentation companies interested in histamine management might also file related patents
If you want, I can:
- Draft a tailored search plan for a specific jurisdiction (e.g., US, Europe, or WIPO) and timeframe.
- Create a set of concrete search queries you can paste into databases.
- Help you evaluate a small set of found patents (e.g., identify the likely claim scope, novelty, and potential freedom-to-operate considerations).
- Summarize results you provide (titles, abstracts, claim sets) into a concise landscape map.
Quick clarifying questions
- Which jurisdictions should I prioritize (US, Europe, international WIPO, others)?
- Do you want published applications only or also granted patents?
- Any time window of interest (e.g., last 10 years)?
- Is your goal to locate existing applications, assess patentability for a new filing, or both?
If you share those details, I can tailor a precise search plan and help interpret any results you pull from patent databases.