Using the CryptoIsland™ Trademark

Please use the above trademark in accordance with the Arm trademark use guidelines. In addition, please follow the Arm branding guidelines if you hold a valid trademark licence from Arm.


Approved nouns:

execution environment
isolated execution environment
physical security
physical security technology
security enclave
security execution environment
security processing environment
security technology

Use format:

Arm® CryptoIsland [product name] and/or [approved noun]
e.g. Arm® CryptoIsland-300P

You do not always have to use an approved noun after the CryptoIsland trademark if it is followed by a product name.

Always use the CryptoIsland trademark preceded by the Arm trademark in its first use, i.e. Arm® CryptoIsland. You do not have to use the Arm trademark in each subsequent use of the CryptoIsland trademark.


Arm and CryptoIsland are registered trademarks or trademarks of Arm Limited (or its subsidiaries or affiliates) in the US and/or elsewhere.

Use examples for CryptoIsland trademark


Correct use

Incorrect use


Arm® CryptoIsland-300P

Arm® CryptoIsland®-300P
Arm® cryptoisland-300P


…part of the Arm® CryptoIsland technology

…part of the Arm CryptoIsland