Polymer Additive Manufacturing Patent Landscape 2026
The polymer AM field spans 1,346 patent families and is led by Carbon Inc, with the top five filers controlling 27% of activity among the hundred largest filers. Annual filing volume peaked in 2019 and has since eased, signalling a maturing competitive environment where differentiation increasingly depends on chemistry rather than process novelty.
Carbon Inc leads a moderately concentrated field with a tight second-tier cluster
Carbon Inc heads the applicant ranking with 103 patent families, followed closely by 3D Systems Inc at 99 and Signify Holding BV at 64. The top five filers account for 27% of the combined output of the hundred largest filers, indicating moderate rather than extreme concentration.
A meaningful tier gap separates the top two players from the rest of the top five: Planmeca at 48 families and Vantico at 38 trail the leaders by roughly 40–60%. Below rank five, the ranking compresses quickly, with most players holding between 17 and 36 patent families, suggesting a broad middle tier of active but non-dominant participants.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Carbon Inc | 103 | |
| 2 | 3D Systems Inc | 99 | |
| 3 | Signify Holding BV | 64 | |
| 4 | Planmeca Oy | 48 | |
| 5 | Vantico AG | 38 | |
| 6 | Kao Corporation | 36 | |
| 7 | Lawrence Livermore National Security LLC | 32 | |
| 8 | Kuraray Noritake Dental Inc | 30 | |
| 9 | Stratasys Inc | 26 | |
| 10 | Formlabs Inc | 25 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Lubrizol Advanced Materials Inc | 25 | |
| 12 | Dentsply Sirona Inc | 25 | |
| 13 | Board of Regents, The University of Texas System | 25 | |
| 14 | Poly-Med Inc | 24 | |
| 15 | Hexcel Corporation | 22 | |
| 16 | BMF Nano Material Technology Co Ltd | 21 | |
| 17 | Ivoclar Vivadent AG | 20 | |
| 18 | XYZprinting Inc | 18 | |
| 19 | Kinpo Electronics Ltd | 18 | |
| 20 | Rogers Corporation | 17 |
Carbon Inc’s and 3D Systems Inc’s scale at the top implies that platform-level process IP is largely staked out; entrants seeking differentiation will likely need to address chemistry, application-specific formulations, or under-served end markets rather than core process claims.
The most recent 18–24 months of filings are subject to publication lag and will be under-counted in any search snapshot; activity from 2024 onward should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume has eased from a 2019 peak; process and chemistry branches dominate the technology mix
Two charts together reveal a field past its fastest-growth phase, with a technology mix weighted heavily toward shaping processes and additive manufacturing methods but with meaningful secondary activity in polymer chemistry classes.
Annual filing trend
Filings reached a high of 260 in 2019, then declined unevenly through the early 2020s. Figures from 2024 onward reflect publication lag and should not be read as a confirmed further decline. The multi-year window still shows substantial accumulated output, but the annual pace has eased materially from its 2019 peak.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B29C (Shaping of plastics) and B33Y (Additive manufacturing) are the dominant IPC branches, reflecting the core process focus of the field. Secondary branches — including addition polymers (C08F), condensation polymers (C08G), polymer compositions (C08L), and photolithography (G03F) — are present but at materially lower counts, pointing to relative sparsity in formulation and photochemistry relative to process IP.
↗ 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.
Thermoplastic polymer powder for selective laser s…
The present invention relates to a thermoplastic polymer powder and to the use thereof as material for selective laser sintering (SLS). The polymer powder contains a partially crystalline polymer, an amorphous polymer and a compatibilizing agent, and optionally additional additives and/or auxiliary substances, wherein the partially crystalline polymer, the… (excerpt from the patent abstract)

| # | Patent | Citations |
|---|---|---|
| 1 | Process of support removal for fused deposition mo… | 1,022 |
| 2 | Stereolithography method and apparatus | 304 |
| 3 | Liquid, radiation-curable composition, especially … | 272 |
| 4 | System and method for cutting material in continuo… | 138 |
| 5 | Liquid, radiation-curable composition, especially … | 107 |
| 6 | Liquid, radiation-curable composition, especially … | 86 |
| 7 | Methods of using thermoplastic polyurethanes in fu… | 79 |
| 8 | Vinyl ether compounds having additional functional… | 74 |
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 patent structure means for R&D prioritisation
The combination of a maturing filing curve, moderate leader concentration, and sparse chemistry sub-branches shapes where incremental and differentiated investment is most likely to yield freedom to operate and competitive advantage.
Field in decline phase from a 2019 peak
The lifecycle stage is classified as Decline, driven by annual filings easing back from the 2019 peak of 260 families. The recent-window growth rate stands at -47%, confirming that the fastest accumulation phase has passed. New entrants face a field where broad process claims are largely occupied, making differentiated chemistry or application focus the more defensible entry strategy.
Past-peakModerate leader concentration with a broad active middle tier
The top five filers hold 27% of the hundred largest filers’ combined output — moderate concentration that leaves meaningful room for mid-tier players. Carbon Inc and 3D Systems Inc are near-co-leaders at 103 and 99 patent families respectively, while the next three are clustered between 38 and 64. The wide middle tier (ranks 6–20 range from 17 to 36 families) indicates competitive breadth but no single dominant bloc.
Moderate HHILawrence Livermore National Security LLC is the central co-filing hub
Three co-filing pairs are evidenced. Lawrence Livermore National Security LLC co-filed with both 3D Systems Inc (4 joint families) and Harvard University (4 joint families), and also holds a single co-filing with the University of Texas System Board of Regents. This positions the national lab as the primary bridge between industrial and academic actors in the corpus.
Lab-industry bridgeUS dominates; Europe and PCT are secondary; Asia is limited
The United States leads with 608 patent records, followed by Europe (EPO) at 394 and WIPO (PCT) at 195. China holds 128 records and Japan 66, both materially lower than the Western filing volumes, suggesting that Asian markets — particularly China — may be under-protected relative to their manufacturing relevance and could represent both a risk and an opportunity for applicants with strong process or chemistry IP.
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 |
|---|---|---|
| 3D Systems Inc | Lawrence Livermore National Security LLC | 4 |
| Lawrence Livermore National Security LLC | President and Fellows of Harvard College | 4 |
| Lawrence Livermore National Security LLC | Board of Regents, The University of Texas System | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Carbon Inc and 3D Systems Inc lead on process IP; Signify Holding is the most stable mid-tier filer
The two top filers are nearly matched in scale but diverge on recent trajectory, while Signify Holding BV holds a stable position and Lawrence Livermore National Security LLC has emerged as a notable new entrant in recent activity.
Carbon Inc
Carbon Inc leads with 103 patent families, concentrated heavily in B29C 64 (Shaping of plastics, 92 records) and B33Y 10 (Additive manufacturing methods, 82 records), with additional coverage in B33Y 70. Its momentum trend is –80% in recent filings versus the prior period, indicating that the core platform portfolio has been largely built out and new filing activity has slowed sharply.
families: 1033D Systems Inc
3D Systems Inc is a near-co-leader at 99 patent families, with technology emphasis across B29C 64 (73 records), B33Y 10 (40 records), and B33Y 30 (39 records). Its recent-period momentum is classified as a new entrant trajectory, meaning recent filing activity is appearing for the first time in this corpus window — likely reflecting a renewed or refocused filing programme rather than a genuinely new market participant.
families: 99| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Carbon Inc | 13 | ▼ -80% |
| 3D Systems Inc | 35 | ▲ new entrant |
| Signify Holding BV | 21 | ▬ +5% |
| Lawrence Livermore National Security LLC | 20 | ▲ new entrant |
| Kuraray Noritake Dental Inc | 2 | ▼ -91% |
Polymer chemistry and photolithography branches are under-served relative to process IP
The following branches appear at materially lower counts than the dominant B29C and B33Y classes, and each has plausible technical relevance to advancing polymer AM capabilities in formulation, material design, or photocuring.
C08F / C08G · Addition and condensation polymer chemistry
C08F (addition polymers, including vinyl types) and C08G (condensation polymers) each appear at 240 records — roughly one-seventh the count of the dominant B29C branch. These branches cover the fundamental chemistry of resins and reactive monomers used in photocurable and thermoplastic AM feedstocks. A player with strong synthetic chemistry capability could stake out formulation-level IP that is currently sparse relative to the process layer, potentially creating upstream leverage over hardware-focused competitors.
Search this in Eureka →G03F · Photolithography and photomechanics
G03F appears at 169 records — about one-tenth of the B29C count — despite photopolymerisation being central to stereolithography (SLA), digital light processing (DLP), and continuous liquid interface production (CLIP) processes. The sparsity suggests that photocuring mechanism IP, including photoinitiator systems, wavelength-specific cure kinetics, and optical exposure optimisation, remains relatively open. Organisations active in photonics or specialty chemical photoinitiators may find a tractable entry path here.
Search this in Eureka →How leading filers differ by technology sub-class emphasis
Route coverage across the main technology branches in the current evidence set.
| Player | B29C 64 · Shaping of plastics | B33Y 10 · Additive manufacturing (3D printing) | B33Y 70 · Additive manufacturing (3D printing) | B33Y 30 · Additive manufacturing (3D printing) | B33Y 80 · Additive manufacturing (3D printing) |
|---|---|---|---|---|---|
| Carbon Inc | Strong · 92 | Strong · 82 | Moderate · 46 | Moderate · 29 | Emerging · 16 |
| Signify Holding BV | Strong · 62 | Strong · 63 | Moderate · 31 | Moderate · 31 | Strong · 38 |
| 3D Systems Inc | Strong · 73 | Strong · 40 | Absent | Strong · 39 | Absent |
| Planmeca Oy | Strong · 48 | Strong · 27 | Absent | Strong · 37 | Absent |
| Kuraray Noritake Dental Inc | Strong · 30 | Strong · 24 | Strong · 27 | Absent | Strong · 18 |
Frequently asked questions
The corpus contains 1,346 patent families in scope for polymer additive manufacturing, as captured by the evidence dataset.
Carbon Inc leads with 103 patent families, followed closely by 3D Systems Inc at 99. Both are materially ahead of the third-ranked filer, Signify Holding BV, at 64 patent families.
Annual filing volume peaked in 2019 at 260 families and has eased since then, with the recent-window growth rate at -47%. The lifecycle stage is assessed as Decline. Figures from 2024 and 2025 are subject to publication lag and are likely under-counted.
The United States dominates with 608 patent records, followed by Europe (EPO) at 394 and WIPO (PCT) at 195. China holds 128 records and Japan 66, both considerably lower than the US and EPO volumes.
Addition polymers (C08F), condensation polymers (C08G), polymer compositions (C08L), and photolithography (G03F) each appear at counts that are a fraction of the dominant B29C and B33Y branches, suggesting relative sparsity in formulation-level and photocuring IP.
Lawrence Livermore National Security LLC is the most active co-filer, with four joint patent families alongside 3D Systems Inc and four alongside Harvard University, plus one with the University of Texas System Board of Regents. These are the only co-filing pairs evidenced in the dataset.
Ready to map your own polymer AM 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.