Fuzzing Patents: Who Leads, Where the Gaps Are 2026
Fuzzing and dynamic testing patents: mapping the coverage-guided testing field
One clear leader, then a steep drop. the top-ranked assignee holds 9 filings against a fifth-place and tenth-place count of just 1 each, across 14 ranked companies. Filings were flat at zero in 2017, rose to a peak of 9 in 2020, and the most recent years cannot be read as decline given typical 18-month publication lag; treat 2025-2026 counts as incomplete rather than as a drop-off.
- 1BAIDU USA LLC9
- 2ROBERT BOSCH GMBH4
- 3INTERNATIONAL BUSINESS MACHINE CORPORATION2
- 4CYBER ARK SOFTWARE LTD1
- 5CYBERTOKA LTD1
See the full fuzzing and dynamic testing 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 fuzzing and dynamic-testing patents
How many patents exist for coverage-guided fuzzing and dynamic testing?
This landscape tracks 20 published records that combine coverage-guided fuzzing, input mutation or seed corpus generation with supporting mechanics such as code coverage tracking, sanitizer instrumentation or crash deduplication. That is a narrow, technically defined slice of program-analysis IP, not a count of every software-testing patent. The ranking built from these records covers 14 assignees, so both the record count and the assignee count are small enough that a handful of filings can shift the picture.
Who are the leading patent holders in fuzzing technology?
One assignee leads the ranked list with 9 filings, well ahead of the rest of the 14 ranked companies; fifth place and tenth place each hold only 1 filing. That gap means there is a genuine leader in filing volume but no established second tier beneath them. Anyone assessing freedom-to-operate should focus review time on the leader’s claims first, since the rest of the field is largely single-filing entrants.
Is the fuzzing patent field growing or slowing down?
Filing activity rose to a peak of 9 in 2020, and the years since should not be read as a decline. Patent publication typically lags the actual filing date by around 18 months, so the most recent years in any trend chart are always undercounted relative to true filing activity. A meaningful growth-rate figure is not computable from this window because too few complete years remain once that lag is accounted for.
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 Fuzzing and Dynamic Testing 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.