Calibration Laboratory Management Patents: Leaders & White Space 2026
- 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.
- Filing has cooled since its 2020 peak of 7. Momentum tracked from 2021 (2 records) to 2024 (1 record) shows a -50% shift over that span, the most recent period with complete data.
- Material analysis dominates the claim space. G01N appears in 69.0% of the 29 records in scope, far ahead of digital data processing (G06F, 34.5%) and the measurement classes clustered near 31%.
Filing growth compares 2021 (2 records) with 2024 (1) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field.
What this landscape covers
Calibration laboratory management sits at the intersection of metrology and software: it covers how labs track equipment registers, run proficiency testing and interlaboratory comparisons, manage technician competence records, and issue digital certificates against turnaround-time commitments. The 29 records in scope span filings from 2015 through the partial 2026 year, drawn from receiving offices led by the United States and the WIPO PCT route, with further filings routed through Europe, Australia, India and Canada.
The dataset is small enough that individual filings move the picture noticeably, which is itself informative: this is not a field with thousands of overlapping claims, but one where a handful of process patents on calibration data structures still get cited repeatedly, and where several adjacent application domains — cannabis testing, plant breeding, tobacco preparation — have only recently been pulled into the same claim language.
Filing trend and technology composition
Two views of the same 29 records: how filing activity has moved year over year, and which IPC subclasses carry the claim weight.
Filing activity, 2017-2026
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.
IPC subclass composition
G01N (material analysis and testing) anchors 69.0% of the 29 records, with G06F, G01D, G01L and G01M each present in roughly a third of filings; smaller but recurring clusters in A01H, A24B and C12Q show the management framework being re-applied to specific test materials.
Shares are the percentage of the 29 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Calibration Laboratory Management with Eureka
This page is one run against one query. Ask Eureka your own question about calibration laboratory management and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records and a representative filing
Cannabis Proficiency Testing Material (US20220308032A1)
Filed by Research Triangle Institute, this record claims a proficiency testing material built from a plant substrate carrying a chemical or microbial contaminant chemically or physically associated with that substrate, plus methods of preparing it and kits containing it.It illustrates how the older calibration-and-testing-management claim language is being extended into new sample-material domains rather than into new software architecture.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20060167643A1 | Calibration process management system and data structure | 32 |
| 2 | US20080312861A1 | Calibration process management system and data structure | 22 |
| 3 | US7406388B2 | Calibration process management system and data structure | 13 |
| 4 | US20140297344A1 | System and method for laboratory and personnel management, development and maintenance | 11 |
| 5 | US20100114515A1 | Calibration process management system and data structure | 8 |
| 6 | WO2004025415A2 | Calibration process management system and method | 6 |
| 7 | WO2023174834A1 | Particle monitoring system, portable microbial air sampler, method for monitoring particles in a sample fluid… | 2 |
| 8 | US20170089770A1 | Portable Heating Chamber System for Pyrometric Proficiency Testing | 2 |
| 9 | EP4154734A1 | Date palm leaf reference material and use thereof | 1 |
| 10 | EP4154730A1 | Date fruit reference material and use thereof | 1 |
Citation counts favour older filings simply because they have had longer to accumulate references; treat them as a signal of influence within this corpus, not as a ranking of current technical importance. The earliest calibration process management filings account for most of the citation weight here.
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Three observations that follow directly from the ranking, the trend, and the citation table above.
A single leader, then a fast drop-off
The leading assignee holds 9 records, more than double the fifth-place count of 4, and by tenth place the count is down to a single filing. That shape says the core calibration-process claims were staked out early by one or two filers, while everyone else entered with one or two records apiece rather than building a sustained portfolio.
Activity has eased from its 2020 peak
Filings peaked at 7 in 2020 and the tracked 2021-to-2024 window shows a -50% change, the clearest complete-year comparison available. That is a cooling in new filing volume, not evidence the underlying technology has stopped mattering — the same core process claims keep getting cited in newer applications.
Material analysis and testing is the load-bearing class
G01N shows up in 69.0% of the 29 records in scope, well ahead of digital data processing at 34.5% and the measurement-hardware classes clustered near 31% each. Software-side claims on the management system itself are outnumbered by claims tied to the physical test or measurement step.
Early calibration-process filings still anchor the field
The most-cited record in this set is a calibration process management system and data structure filing, cited 32 times, with two related family members close behind. Newer entrants are building on that same data-structure concept rather than replacing it.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to calibration laboratory management, with the prior art for and against each one.
Who holds the claims, and where they haven't gone
The ranking runs to 27 companies, but only a handful show sustained filing; the rest entered once and did not return. Co-assignee activity is similarly narrow, concentrated around a small set of paired names.
The largest holder by record count
The top-ranked assignee holds 9 records in this landscape, the deepest portfolio in the set, with co-assignee pairings that recur across several of its filings rather than appearing once.
The one name still filing recently
Research Triangle Institute is the only assignee among the tracked group with a record in the latest year, tied to its proficiency-testing-material line of filings rather than the older process-management claims.
A small, tight co-assignee network
Only 7 co-assignee pairs exist across the dataset, and the strongest three all share the same lead assignee paired with three different individual co-inventors — a pattern of internal collaboration rather than cross-company joint filing.
| Assignee | Recent year | YoY |
|---|---|---|
| Research Triangle Institute | 1 | — |
| Southern California Edison Co. | 0 | — |
| SULLIVAN KEVIN C | 0 | — |
| NIELSEN LAURENCE E | 0 | — |
| CASTO CURTIS V | 0 | — |
| Merck Patent GmbH | 0 | — |
| MBV AG | 0 | — |
| KING KHALID UNIV | 0 | — |
Where to take this
The dataset points to a narrow core of process-management claims surrounded by newer, more specific applications. Two directions follow from that.
Check the white space before drafting
The under-claimed sub-areas above sit inside classes that already carry filing weight elsewhere in the set, meaning a first claim there is not starting from zero prior art — it just hasn't been staked out as a management-system claim yet.
Explore white space in EurekaWatch the process-management core
The most-cited records all trace back to the same calibration process management system and data structure concept; any new filing that touches equipment registers or certificate issuance should be checked against that family first.
Run a freedom-to-operate check in EurekaCommon questions about this landscape
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.
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.
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.
The most-cited record in this dataset is a calibration process management system and data structure filing, cited 32 times, with two closely related family members carrying 22 and 13 citations respectively. Anything touching equipment registers, certificate issuance or calibration data structures should be checked against that lineage first, since newer filings in the set tend to build on rather than replace it.
The composition data shows measurement and testing hardware well represented, but specific software-adjacent workflows — digital certificate issuance, technician competence scoring, turnaround-time SLA automation, and equipment-register integration with asset tracking — are not concentrated under any single holder in this set. That combination of visible demand signal and thin claim density is where a new, narrowly drafted filing has the best chance of clearing prior art cleanly.
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.