FinFET Lithography Patent Landscape 2026
FinFET Lithography Patent Landscape in 2026
FinFET lithography patenting is highly concentrated, with Taiwan Semiconductor Manufacturing Co. (TSMC) holding a commanding lead and the top five filers accounting for 64% of the hundred largest filers’ combined total. Annual filing volume peaked in 2018 and has since eased, placing the field in a late-stage, declining phase where entrenched players dominate and new-entry windows are narrow.
TSMC leads a tightly held field with a clear tier gap
Taiwan Semiconductor Manufacturing Co. (TSMC) ranks first with 44 patent records, more than double the second-ranked International Business Machines Corporation (IBM) at 18 patent records, establishing an unambiguous leader position in FinFET lithography.
The top five filers — TSMC, IBM, GlobalFoundries, Qualcomm, and Alsephina Innovations — together represent 64% of the hundred largest filers’ combined total, signaling strong concentration. The gap between the first and second tiers is substantial, leaving limited room for challengers to close ground through organic filing activity alone.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Taiwan Semiconductor Manufacturing Co., Ltd. | 44 | |
| 2 | International Business Machines Corporation | 18 | |
| 3 | GlobalFoundries US Inc. | 15 | |
| 4 | Qualcomm Inc. | 8 | |
| 5 | Alsephina Innovations Inc. | 8 | |
| 6 | UNIST (ULSAN NAT INST OF SCI & TECH) | 4 | |
| 7 | Robert Bosch GmbH | 4 | |
| 8 | Shanghai Huali Integrated Circuit Corporation | 4 | |
| 9 | Samsung Electronics Co., Ltd. | 4 | |
| 10 | Atmel Corporation | 3 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Indian Institute of Technology | 2 | |
| 12 | United Microelectronics Corporation | 2 | |
| 13 | Van Dal Mark | 2 | |
| 14 | KOREA ADVANCED INST OF SCI & TECH | 2 | |
| 15 | Vanleenhove Anja Monique | 2 | |
| 16 | IMEC VZW | 2 | |
| 17 | IMEC (Interuniversity Microelectronics Centre) | 2 | |
| 18 | STMicroelectronics Inc. | 2 | |
| 19 | Peking University | 2 | |
| 20 | Van Steenwinckel David | 2 |
TSMC’s concentration in H01L semiconductor-device process and device classes, combined with IBM’s breadth spanning device structures and memory manufacture, suggests the leaders have staked out complementary but largely non-overlapping technical territories, reducing direct collision at the claim level.
Filing counts for 2024 and 2025 are subject to publication lag and likely understate actual activity; the apparent near-zero levels in those years should not be interpreted as a cessation of R&D. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Post-2018 volume decline and an H01L-dominant technology mix
The annual filing trend and IPC technology composition together reveal a maturing field that crested early and is now concentrated in a narrow set of semiconductor-device classes.
Annual filing trend
Filing activity rose to a peak of 11 records in 2018, then fell sharply through 2020 and has trended lower since. The 2024 and 2025 data points reflect publication lag and will be revised upward; interpret them as floor estimates only, not as indicators of continued decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01L (Semiconductor devices) dominates at 119 patent records, followed by H10B (Memory device manufacture) at 26 and G03F (Photolithography and photomechanics) at 23. Nanotechnology applications (B82Y) and metrology (G01B) together represent only a handful of records, marking them as sparse adjacent branches.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Method for producing a power finfet by means of li…
A method for producing a power FinFET with two-part control electrodes. The method includes: creating a first structured mask including oxide regions and first and second open regions on the front side of a semiconductor body via lithography; creating first and second trenches below the first and second open regions, respectively, by a first etching process… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Fin field effect transistor devices with self-alig… | 238 |
| 2 | Multi-channel gate-all-around fet | 231 |
| 3 | Fin Field Effect Transistor Devices with Self-Alig… | 230 |
| 4 | Double patterning for lithography to increase feat… | 96 |
| 5 | Pull-back method of forming fins in FinFets | 84 |
| 6 | Double patterning for lithography to increase feat… | 76 |
| 7 | Fin field effect transistor devices with self-alig… | 66 |
| 8 | Multi-channel gate-all-around fet | 55 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment decisions
United States-dominant jurisdiction profile shapes the strategic context for any new entrant or existing player considering portfolio investment.
Decline stage: past its 2018 peak
The field is classified as Decline, with annual filing volume easing back from its 2018 peak of 11 patent records. On a multi-year basis, recent-window growth has turned negative at –36%. New investment should be weighed against the cost of entering a field where foundational positions are already well-defended and incremental differentiation is increasingly difficult.
Life-cycle: DeclineTop five control nearly two-thirds of the leading filers’ share
TSMC alone accounts for 44 patent records, IBM for 18, and GlobalFoundries for 15 — creating a pronounced three-tier structure. Challengers in the fourth and fifth positions (Qualcomm and Alsephina Innovations, each at 8 patent records) are meaningfully behind. For a new entrant, building a competitive position through organic filing would require sustained investment against deeply established incumbents.
High concentrationIBM, GlobalFoundries, and STMicroelectronics form the core alliance
The most active co-filing pairs are IBM with GlobalFoundries (4 joint records), IBM with STMicroelectronics (4 joint records), and GlobalFoundries with STMicroelectronics (4 joint records). This triangular consortium structure suggests that cross-licensing and joint development have been integral to the competitive strategy of the second and third tiers, potentially creating a coalition that is difficult for outsiders to displace.
Alliance-drivenUnited States is the dominant filing jurisdiction by a wide margin
The United States accounts for 78 patent records, far ahead of China at 12 and South Korea at 11. Taiwan, the home market of the leading filer TSMC, shows only 6 records in this corpus, suggesting that protection strategy is oriented toward the primary end-market rather than the manufacturing base. Europe (EPO) at 4 records indicates limited coverage, which may represent a gap for competitors seeking to establish freedom-to-operate in European markets.
US-centricGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| International Business Machines Corporation | GlobalFoundries Inc. | 4 |
| International Business Machines Corporation | STMicroelectronics Inc. | 4 |
| GlobalFoundries Inc. | STMicroelectronics Inc. | 4 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
TSMC leads on volume; IBM and GlobalFoundries hold collaborative depth
The leader and principal challenger differ markedly in technology emphasis and trajectory — TSMC is pulling back from recent filing pace while Robert Bosch is a new entrant, signaling different strategic motivations.
Taiwan Semiconductor Manufacturing Co.
TSMC ranks first with 44 patent records, concentrated across H01L 21 (semiconductor process, 29 records), H01L 27 (integrated circuits, 20 records), and H01L 29 (device structures, 14 records). Its recent filing trend shows a –55% decline versus the prior period, consistent with the field’s broader post-peak contraction rather than a strategic withdrawal.
44 patent recordsRobert Bosch GmbH
Robert Bosch GmbH, ranking seventh with 4 patent records, is classified as a new entrant with an upward trajectory. Its focus spans H01L 29 (device structures), H10D 30 (general semiconductor devices), and H01L 21 (process), suggesting an application-driven interest — likely tied to automotive-grade FinFET process control — rather than foundry-oriented lithography research.
4 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Taiwan Semiconductor Manufacturing Co., Ltd. | 5 | ▼ -55% |
| Robert Bosch GmbH | 3 | ▲ new entrant |
Under-served branches adjacent to the FinFET lithography core
Several IPC classes sit at the periphery of the dominant H01L cluster with low patent-record counts relative to the core, representing areas of relative sparsity that may warrant monitoring for technically motivated teams.
B82Y · Nanotechnology applications
With only 3 patent records and a 2% share among the leading filers, nanotechnology-classified work in FinFET lithography is sparse. This branch is technically adjacent given the sub-10 nm feature sizes inherent to advanced FinFET nodes; the low count may reflect classification practice rather than a true absence of activity. Teams exploring nanostructure-enabled patterning or directed self-assembly as a complement to conventional lithography could find limited prior art in this branch, though the entry path would require demonstrating novelty over the dense H01L 21 core.
Search this in Eureka →G01B · Measuring length and dimensions
Only 2 patent records fall under G01B (metrology for length and dimensions), representing a 1% share. Lithographic overlay and critical-dimension metrology are practically inseparable from FinFET patterning yield, yet this branch is nearly empty in the corpus. This could reflect a systematic preference for filing metrology inventions under H01L 21 rather than G01B, but it may also indicate a genuine gap for in-line dimensional measurement solutions specifically adapted to fin-pitch and sidewall-angle characterization. An entry path here would likely involve cross-filing under both G01B and H01L 21 to ensure adequate coverage.
Search this in Eureka →How leading applicants differ by technology route
Strength of each leader across the main technology routes.
| Player | H01L 21 · Semiconductor devices | H01L 29 · Semiconductor devices | H01L 27 · Semiconductor devices | H10B 10 · Memory device manufacture | G03F 7 · Photolithography & photomechanics |
|---|---|---|---|---|---|
| Taiwan Semiconductor Manufacturing Co., Ltd. | Strong · 29 | Moderate · 14 | Strong · 20 | Moderate · 13 | Emerging · 5 |
| International Business Machines Corporation | Strong · 22 | Strong · 24 | Emerging · 3 | Strong · 13 | Absent |
| GlobalFoundries Inc. | Strong · 17 | Strong · 16 | Moderate · 7 | Absent | Emerging · 2 |
| Qualcomm Inc. | Strong · 6 | Strong · 8 | Absent | Absent | Strong · 8 |
| Samsung Electronics Co., Ltd. | Strong · 4 | Strong · 4 | Absent | Absent | Absent |
| IMEC (Interuniversity Microelectronics Centre) | Strong · 4 | Absent | Absent | Absent | Absent |
Frequently asked questions
The analysis covers 42 patent families in scope. Separately, the applicant ranking is based on patent records, which can exceed the family total because a single family may be counted in multiple jurisdictions.
Taiwan Semiconductor Manufacturing Co. (TSMC) leads with 44 patent records, more than double the second-ranked IBM at 18 patent records.
The field is classified as Decline. Annual filing volume peaked at 11 records in 2018 and has eased since, with recent-window growth at -36%. The 2024 and 2025 figures are subject to publication lag and should be treated as floor estimates.
The three most active co-filing pairs are IBM with GlobalFoundries (4 joint records), IBM with STMicroelectronics (4 joint records), and GlobalFoundries with STMicroelectronics (4 joint records), forming a triangular consortium among second- and third-tier players.
The United States dominates with 78 patent records, followed by China at 12 and South Korea at 11. Europe (EPO) accounts for only 4 records, suggesting limited coverage there that could represent a freedom-to-operate consideration.
B82Y (Nanotechnology applications) has 3 patent records at a 2% share, G01B (Measuring length and dimensions) has 2 records at 1%, and G06F (Electric digital data processing) has 2 records at 1% — all sparse relative to the dominant H01L class at 119 records.
Map your own FinFET lithography competitive landscape
Join 18,000+ innovators using PatSnap Eureka to map any technology landscape: search 2B+ patents and papers, surface key assignees, and generate a report like this in minutes.
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.