How often is this dataset updated?

Updated weekly from primary sources: FDA Orange Book, USPTO Patent Public Search.

How do I cite this dataset?

Drug Landscape (2026). 2026 Pharmaceutical Patent Cliff. druglandscape.com/datasets/patent-expiries-2026. Accessed [date].

2026 Pharmaceutical Patent Cliff

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Every FDA Orange Book + USPTO patent expiring in 2026 for a currently-marketed drug.

~1500 rows ~480 KB CSV Updated weekly United States 2026 Free

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About this dataset

The complete 2026 patent cliff — every Orange Book listed patent and USPTO drug-related patent reaching its listed expiry date in 2026, joined to the branded drug it protects, its annual revenue (where disclosed), and the projected generic / biosimilar entry timing.

Schema

Column	Description	Type
`drug_id`	Drug Landscape identifier	string
`patent_number`	USPTO patent number	string
`expiry_date`	Patent expiry date (ISO 8601)	date
`patent_type`	Composition / method-of-use / formulation	string
`territory`	Jurisdiction (default US)	string
`brand_name`	Branded drug protected	string
`company_name`	Patent assignee	string

Sources

FDA Orange Book, USPTO Patent Public Search.

Citation

APA

Drug Landscape. (2026). 2026 Pharmaceutical Patent Cliff (Version 2026.05) [Data set]. Drug Landscape. https://druglandscape.com/datasets/patent-expiries-2026

BibTeX

@dataset{DrugLandscape2026PatentCliff,
  author       = {Drug Landscape},
  title        = {2026 Pharmaceutical Patent Cliff},
  year         = {2026},
  version      = {2026.05},
  publisher    = {Drug Landscape},
  url          = {https://druglandscape.com/datasets/patent-expiries-2026},
  note         = {~1500 rows; source: FDA Orange Book, USPTO Patent Public Search}
}

RIS

TY  - DATA
T1  - 2026 Pharmaceutical Patent Cliff
AU  - Drug Landscape
PY  - 2026
ET  - 2026.05
PB  - Drug Landscape
UR  - https://druglandscape.com/datasets/patent-expiries-2026
ER  -

License

Free for any use including commercial, with attribution to Drug Landscape (druglandscape.com). Full terms in our editorial policy.