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

Compost smarter: New research cuts emissions, boosts yields

Learn how composting has evolved into a precision-engineered bioprocess, and about how aeration, microbial control, materials science, and AI are reshaping the field.
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Drug Discovery

CAS Insights Report: Unlocking the future of pharmaceutical innovation through patent intelligence.

Five years of global pharmaceutical patent data reveal a field in fundamental transition: therapeutic platforms multiplying, molecular targets expanding well beyond traditional proteins, and disease focus shifting toward previously intractable conditions. The patterns show not just where innovation
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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.
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