Netlist Seeks Import Restrictions on Micron HBM in New AI Patent Complaint

Conceptual stacked memory dies beside patent folders with Netlist and Micron labels and a small U.S. flag.

AI-generated conceptual illustration of stacked memory and patent filings; not a photograph of a product or proceeding.

Netlist announced a new U.S. International Trade Commission complaint on September 29, seeking import restrictions involving Micron high-bandwidth memory and downstream AI products. The filing adds a patent dispute to the questions facing buyers of advanced computing hardware. It does not establish infringement or announce an import ban.

What Netlist is asking for

In its announcement, the company said it is seeking exclusion and cease-and-desist orders against Micron and downstream customers NVIDIA, Broadcom and Google. Its allegations involve U.S. patents 12,308,087 and 12,646,537, which it says cover at least HBM3E, HBM4 and HBM4E technology. Those are Netlist’s claims, not findings by the commission.

According to the reporting, Micron declined to comment, while the other three companies did not immediately respond to requests for comment.

Keep the two proceedings separate

The new HBM announcement follows a different Netlist complaint concerning DDR5 RDIMMs and MRDIMMs. The commission instituted that earlier investigation on September 23 as case 337-TA-1523.

In the official notice, the USITC expressly says that opening an investigation is not a decision on its merits. The earlier proceeding names Micron, Hewlett Packard Enterprise, Lenovo and Super Micro Computer. Its September 23 institution should not be read as approval of the newly announced HBM complaint.

Why the distinction matters for AI hardware

For readers following the hardware supply chain, this is a development to track alongside HBM4 production and advanced AI chip packaging. The commercial question is whether any eventual order would affect particular components or finished systems—and on what terms. The announcement alone cannot answer that.

Our coverage of Micron’s server-memory development and next-generation memory testing provides additional technical context. Those separate product stories should not be treated as a list of products accused in this complaint.

The next useful evidence will be the commission’s handling of the new filing, responses from the named companies and any published decisions defining its scope. Until then, a request for restrictions should remain clearly distinguished from restrictions actually imposed.

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