Company patents
Clearfield, Inc.
Clearfield, Inc. exhibits a highly concentrated patent strategy, with 98.1% (51 patents) of its portfolio dedicated to "Optical Elements & Systems." Surprisingly, despite this core focus, patenting in this area has seen a consistent decline over the past three years, with a 10.5% 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 foundational IP in this domain.
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.
52 US filings (since 2023) · 1 categories · 1 themes
Patents
Showing 11-20 of 78