Calibration Laboratory Management Patents: Who Files, What They Claim, and Where Gaps Remain
A concentrated top with a long single-filer tail. 27 companies appear in the ranking, with the leader holding 9 records against a fifth-place mark of 4 and a tenth-place mark of just 1. Filings rose from zero in 2017 to a peak of 7 in 2020, then eased back; the tracked span from 2021 (2) to 2024 (1) shows a -50% shift, and 2025-2026 figures are still incomplete because publication lags filing by roughly 18 months.
- 1SOUTHERN CALIFORNIA EDISON CO INC9
- 2RES TRIANGLE INST7
- 3SULLIVAN KEVIN C4
- 4CASTO CURTIS V4
- 5NIELSEN LAURENCE E4
See the full calibration laboratory management analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about this landscape
How many companies actually hold patents on calibration laboratory management?
This landscape's assignee ranking lists 27 companies across 29 published records. The distribution is steep: the leading assignee holds 9 records, fifth place holds 4, and by tenth place the count drops to a single filing. In practice that means a small number of holders account for most of the sustained portfolios, while the remainder filed once or twice and did not return.
Is patent filing in calibration laboratory management growing or shrinking?
Filing activity peaked at 7 records in 2020 and has eased since; the clearest complete-year comparison, 2021 to 2024, shows a -50% change. That said, 2025 and 2026 figures are still incomplete because publication typically lags filing by about 18 months, so it would be premature to call this a permanent decline based on the newest years alone.
What technology areas do these patents actually claim?
Material analysis and testing (IPC class G01N) is the dominant thread, appearing in 69.0% of the 29 records in scope. Digital data processing (G06F) follows at 34.5%, with measurement- and testing-hardware classes (G01D, G01L, G01M) each near 31%. Smaller recurring clusters apply the same management framework to specific sample types such as plant material, tobacco and enzyme-based testing.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Calibration Laboratory Management covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.