Lynk Labs' appeal from a Samsung IPR gave the Federal Circuit an early-2025 patent decision involving LED technology and prior-art status.

The Board had issued a final written decision finding challenged claims unpatentable. The appeal tested whether the asserted reference could be used as prior art and how the America Invents Act framework applied.

For hardware patent owners, the decision is a reminder that priority and publication status can be just as outcome-determinative as the technical teachings of a reference.

For PTAB challengers, the case is a useful authority when a validity theory depends on whether an older patent filing qualifies under the post-AIA prior-art rules.