CAS Patents

Our patent collection is augmented with English titles and abstracts and detailed indexing by CAS scientists, making complex aspects of patent documents, including chemical substances, sequences, Markush structures, assignees, and classification codes, searchable and accessible.

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Patents published by 109 issuing authorities covering more than 40,000 unique IPC codes in areas including chemistry, pharmaceuticals, consumer goods, processes, materials, engineering, agriculture, and more.

English language titles and abstracts for patents published in 50 languages translated and enhanced by CAS scientists.

Key invention details including substances, reactions, Markush representations, and more indexed by scientists and connected to other relevant data within the CAS Content Collection™.

Consolidated patent family summaries and convenient connections to global full-text patent documents.

Claims text, legal status information, cited references, and examiner citations included for select authorities.

Updated daily, with patent applications from nine major patent issuing authorities available within two days of publication.

Latest from CAS Insights™

Biotechnology

Sports science trends: The latest technology transforming football and more

Aerogels in shin guards, self-powered sensors in jerseys, leucine-tuned recovery protocols, and smarter artificial turf. The science behind today's most-watched sports is moving faster than the players.
|Article
Emerging Science

Ebola: How it continues to challenge modern outbreak science

As a new Ebola outbreak emerges, research into this devastating disease continues to accelerate. Discover how scientists are developing vaccines and therapeutics while confronting the challenge of sustaining innovation between crises.
|Article
Biotechnology

Gene expression, edited: Highlights from the CAS Insights webinar on epigenetics

Three experts from CAS, the University of Messina, and the Coriell Institute break down how epigenetics has evolved from a niche research area into a clinical force, with 13 FDA-approved drugs, 2,200+ active trials, and a fast-growing diagnostic toolkit reshaping how we detect and treat cancer.
|Webinar