Optical Networking Patents: Who Leads and Where Filing Is Headed
46.1% concentration. The top 5 assignees combined hold 11,771 of 25,509 records in scope — under half the field, with a long tail behind them. Annual filings rose from 949 in 2017 to a peak of 1,942 in 2023, then began falling in the published counts — a pattern consistent with an 18-month publication lag rather than an actual drop in filing activity. The 2021-to-2024 span, unaffected by that lag, shows a 34% increase in annual volume.
- 1TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)19.1%
- 2QUALCOMM INC14.2%
- 3SERVICENOW INC5.2%
- 4HUAWEI TECH CO LTD5.1%
- 5CIENA CORP2.5%
See the full optical networking patent landscape 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 the optical networking patent landscape
Who holds the most optical networking patents?
One assignee leads the ranked field with 4,874 records, well ahead of the fifth-place company at 640 and the tenth-place company at 367. The top 5 assignees combined account for 46.1% of all 25,509 records in scope, and the top 10 reach 55.4%. Below that concentration, the remaining ranked companies form a long tail, each holding a much smaller share, which is where new entrants tend to have more room to file without immediate overlap.
Is optical networking patent filing growing or slowing down?
Filings grew from 1,104 records in 2021 to 1,481 in 2024, a 34% increase over that three-year span, and the peak year so far is 2023 at 1,942 records. Counts appear to fall after 2023 in the published data, but publication typically lags filing by around 18 months, so the most recent one to two years are still incomplete rather than genuinely declining. Any read of a slowdown should wait until those later years have had time to fill in.
What technology areas dominate optical networking patents?
H04L, digital information transmission, appears on 37.5% of all 25,509 records, the largest single share, followed by H04W (wireless communication networks) at 24.1%. Electric digital data processing (G06F) and general transmission (H04B) follow at 14.3% and 13.1%. Because records can carry multiple IPC classes, these shares add up to more than 100%, reflecting how often optical transport claims are combined with data-processing or wireless-network language rather than filed as pure hardware claims.
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 Optical Networking Patent Landscape covering 2015–2026, data cut-off 2026-08-31. 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.