Neural Networks with Hierarchical Attention Memory Patent

ChangeBridge: EPO Bulletin - AI & Computing (G06N)

Published March 25th, 2026

Detected April 1st, 2026

Summary

The European Patent Office published patent application EP4302231A1 for GDM Holding LLC on March 25, 2026. The patent covers neural network architectures incorporating hierarchical attention memory mechanisms. Technology companies and AI researchers should be aware of this intellectual property grant covering neural network implementations in designated European and EU member states.

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What changed

The EPO published patent EP4302231A1 granting GDM Holding LLC exclusive rights to neural network architectures featuring hierarchical attention memory. The patent application was filed by inventors LAMPINEN, Andrew Kyle and is classified under IPC G06N 3/00, G06N 3/04, and G06N 3/08. The A1 publication indicates the application is available for public inspection.

Technology companies developing neural network systems should review this patent to assess potential licensing needs or design-around considerations in the European market. The patent is designated for all EU member states plus Switzerland, Norway, Turkey, and other European countries. This is an informational publication with no immediate compliance obligations for third parties.

Source document (simplified)

← EPO Patent Bulletin

NEURAL NETWORKS WITH HIERARCHICAL ATTENTION MEMORY

Publication EP4302231A1 Kind: A1 Mar 25, 2026

Applicants

GDM Holding LLC

Inventors

LAMPINEN, Andrew Kyle

IPC Classifications

G06N 3/00 20230101AFI20221202BHEP G06N 3/04 20230101ALI20221202BHEP G06N 3/08 20230101ALI20221202BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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