Company patents

Clearfield, Inc.

Clearfield, Inc. exhibits a highly concentrated patent strategy, with 98.1% of its 53 patents in "Optical Elements & Systems." Surprisingly, despite this core focus, patenting in this dominant category has seen a consistent decline over the past three years, with a 15.0% drop in 2024, a significant 47.1% decline in 2025, and a further 33.3% decrease so far in 2026, suggesting a potential shift in R&D investment or a maturation of its core technology.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

53 US filings (since 2023) · 1 categories · 1 themes

Patents

Showing 21-30 of 79

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