Compostable Layer Adhesion Patent Snapshot 2026
Amcor Flexibles North America dominates a highly concentrated, early-stage field in which the top five filers hold sixty percent of the hundred largest filers’ combined activity. The field is still expanding on a multi-year basis, though annual volume has eased from its 2022 peak, and layered-product laminate structures remain the overwhelmingly dominant technical route.
Amcor leads a tightly held, nascent patent space
Amcor Flexibles North America holds the top position with 8 patent records, followed by Huhtamaki Molded Fiber Technology with 3 and Graphicpak Corp with 2. The remaining applicants each hold a single record, creating a clear two-tier structure.
The top five filers account for sixty percent of the ranked applicants visible in this query’ combined total, signaling strong concentration in a field that remains very small in absolute terms. A meaningful gap separates the leader from all challengers.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Amcor Flexibles North America Inc | 8 | |
| 2 | Huhtamaki Molded Fiber Technology | 3 | |
| 3 | Graphicpak Corp | 2 | |
| 4 | E Baby Shalini | 1 | |
| 5 | R Lavanya Bai | 1 | |
| 6 | Pler Molded Fiber Technology Pte Ltd | 1 | |
| 7 | S Anandhkoothan | 1 | |
| 8 | S Violet | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 9 | S Shri Preetha | 1 | |
| 10 | M Shanmugapriya | 1 | |
| 11 | Kanumuru Satyanarayana Raju | 1 | |
| 12 | C H Sarada Devi | 1 | |
| 13 | D Rejitha | 1 | |
| 14 | K Chitra | 1 | |
| 15 | U Leelavathi | 1 |
Amcor’s visible position and recent entrant momentum suggest an intentional portfolio-building strategy, leaving limited prior art for latecomers but also signaling that claim space in adjacent laminate and packaging sub-classes is still available.
The most recent one to two years of filings are under-counted due to standard patent publication lag and should not be read as a slowdown in activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Growth accelerated through 2022; laminate structures dominate the technology mix
The filing trend and IPC composition charts together reveal a field that grew sharply on a multi-year basis before annual volume eased from a 2022 peak, with nearly all activity concentrated in laminate and packaging classes.
Annual filing trend
Activity was negligible before 2019, accelerated to a 2022 peak of 4 filings, then moderated in subsequent years. The 75% recent-window growth confirms multi-year expansion, but 2024–2026 counts are further suppressed by publication lag and should not be read as decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B32B (layered products and laminates) is the visible IPC class with 15 patent records, followed by B65D (containers and packaging) with 8. Shaping of plastics (B29C), water treatment (C02F), polymer compositions (C08L), and fibreboard and moulded pulp (D21J) each account for a single record, indicating that the core technical debate is firmly anchored in laminate construction and bonding.
↗ 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.
Biodegradable packaging unit for a food product an…
The invention relates to a biodegradable packaging unit for a food product and a manufacturing method there for. The packaging unit comprises: – a container with an outer surface and an inner surface at least partly defining a compartment for holding the food product; – a biodegradable multi-layer that is provided on the inner surface of the container and… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Biodegradable packaging unit for a food product an… | 39 |
| 2 | Biodegradable and Compostable Food Packaging Unit … | 11 |
| 3 | Welding of biodegradable polymer parts | 5 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Amcor Flexibles North America
Amcor holds 8 patent records — more than double the nearest rival — with technical emphasis concentrated in B32B 27 (layered products, polymer-based layers), B32B 7 (interlayer bonding), and B32B 15 (layered products with metal layers), each covered by 8 and 5 records respectively. Momentum is classified as a new entrant, indicating this portfolio was built recently from a near-zero base, signalling a deliberate and rapid IP capture strategy.
patent records: 8Huhtamaki Molded Fiber Technology
Huhtamaki holds 3 patent records, focusing on B32B 27 and B32B 7 (layered laminate construction) as well as B65D 65 (packaging with specific material properties), bridging structural laminate claims with end-use container functionality. No momentum data beyond this record count is available in the evidence.
patent records: 3Frequently asked questions
The dataset covers 14 patent families in scope globally.
Amcor Flexibles North America holds the top position with 8 patent records, more than double the nearest rival, Huhtamaki Molded Fiber Technology at 3 records.
The field is classified as Growth stage. Recent three-year filings sit well above the prior three-year window, generating 75% multi-year growth, though annual volume has eased from its 2022 peak. The most recent years are further understated by publication lag.
Europe (EPO) and India each lead with 4 patent records, followed by the United States and WIPO (PCT) with 3 records each. Australia and China each have a single record.
B32B (layered products and laminates) is visible in with 15 patent records, followed by B65D (containers and packaging) with 8 records. All other classes — B29C, C02F, C08L, and D21J — account for a single record each.
No co-applicant or collaborative filing relationships are detected in the current evidence. All identified filers appear to pursue independent, proprietary IP strategies.
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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.