The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 10, 2026

Filed:

Apr. 09, 2025
Applicant:

Expedera, Inc., Santa Clara, CA (US);

Inventors:

Costas Calamvokis, Bath, GB;

Siyad Chih-Hua MA, Palo Alto, CA (US);

Sharad Vasantrao Chole, San Jose, CA (US);

Shang-Tse Chuang, Taipei, TW;

Assignee:

Expedera, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/3329 (2025.01); G06F 16/2455 (2019.01); G06F 40/284 (2020.01);
U.S. Cl.
CPC ...
G06F 16/33295 (2025.01); G06F 16/24552 (2019.01); G06F 40/284 (2020.01);
Abstract

Methods and systems are disclosed for implementing a Large Language Model utilizing a prompt attention-processing subsystem and a generation attention-processing subsystem. A sequence of tokens is first processed by a prompt attention-processing subsystem, which utilizes an associated prompt KV-cache to store matrix values generated during prompt attention-processing. Upon the completion of prompt attention-processing, the populated prompt KV-cache is transferred to a generation KV-cache for processing by the generation attention-processing subsystem. The prompt and generation attention-processing subsystem can be multi-headed. The separate processing of the prompt facilitates efficient computations. Further, the prompt can be processed in segments that match available memory and computational resources. The generation attention-processing subsystem then produces an output token sequence based on the prompt KV-cache values transferred to the generation attention-processing system. The described system ensures optimized processor and memory usage and streamlined processing for large language model systems.


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Calamvokis, Costas. (2026). Systems and methods for heterogeneous large language model prompt attention-processing (U.S. Patent No. 12792645). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12792645

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