Patent directory · USPTO A61K / A61P
Browse patents
Browse 30,257 pharma-relevant patents (US A61K/A61P) linked to tracked companies, drugs, and pipeline programs.
Quick answer
NovaPharmaNews indexes 30,257 US pharmaceutical patents from USPTO PatentsView (CPC A61K/A61P), cross-linked to company assignees, drug INN profiles, and pipeline programs. Search by patent number, applicant, title, or CPC code — or use facet hubs for expiring patents, assignees, and therapeutic areas.
Patent results
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US 6291743
Transgenic plants expressing mutant geminivirus AC1 or C1 genes
expired -
US 6291654
Method for isolating a C3 binding protein of streptococcus pneumoniae
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US 6291652
Antibodies specific for proteins having polyglutamine expansions
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US 6291642
Mammalian cell cycle protein
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US 6291501
Compounds and methods of use for treatment of neurogenic inflammation
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US 6291469
Spiro compounds as inhibitors of fibrinogen-dependent platelet aggregation
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US 6291637
Interference with viral IRES-mediated translation by a small yeast RNA reveals critical RNA-protein interactions
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US 6290963
Anti-HIV compositions containing native and recombinant peptides
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US 6290981
Use of nitric oxide-releasing agents to treat impotency
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US 6291429
Clock gene and gene product
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US 6291207
Herpes virus entry receptor protein
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US 6291220
Polynucleotides encoding phosphatidylinositol 3-kinases
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US 6288060
Amino substituted pyrimidines and triazines
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US 6287562
Methods of inhibiting the growth of cells bearing LewisY antigens using B1, B3, or B5 targeted immunoconjugates
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US 6287566
Protective peptides neurotoxin of C. botulinum
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US 6287575
Vaccine against papillomatous digital dermatitis (PDD)
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US 6287549
Method for removing superfluous hairs
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US 6287607
Potassium calcium citrate compositions and methods therefor
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US 6287587
Process for producing sustained-release preparation by in-water drying
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US 6287556
Intracellular delivery vehicles
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US 6287590
Peptide/lipid complex formation by co-lyophilization
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US 6288024
Methods and compositions for inhibiting angiogenesis
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US 6288040
Medicament excipient particles for tissue-specific application of a medicament
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US 6287792
Drug delivery of antisense oligonucleotides and peptides to tissues in vivo and to cells using avidin-biotin technology
expired
Frequently asked questions
What patents are included in this directory?
We index 30,257 published US pharma-relevant patents filtered to CPC classes A61K and A61P, with assignee links to our company directory where a match exists.
How do I search for a patent?
Use the search box to match patent number, title, applicant name, or CPC classification (e.g. A61K). For cross-entity queries spanning news and drugs, use the global search.
How is this different from the patent intelligence dashboard?
The dashboard at /patents highlights expirations, recent grants, and assignee rankings. Browse is the full paginated directory with search — best for looking up a specific filing or applicant portfolio slice.