Paper-Based Packaging Recycling Patents: Leaders & Trends 2026
- Filing has cooled from its peak. 126 families published in 2022, the high point of the dataset, with volumes declining since — a sign the core claim space is filling in rather than expanding.
- Repulpability sits inside pulp chemistry, not packaging design. D21H (pulp & paper compositions) appears in 376 of 502 families, well ahead of B32B laminates at 283 and B65D containers at 113 — the coating and fiber chemistry is where the claims are dense.
- No single assignee dominates recent filings. Recent-year momentum is thin and mostly negative across the named assignees, several down to zero or -100% year-on-year, pointing to a fragmented, still-open field rather than one led by a clear incumbent.
What this landscape covers
This landscape tracks patent families addressing paper-based, paperboard and fiber-based packaging where the claims concern repulpability, recyclable coatings or fiber recovery. The dataset spans filings from 2015 through the 2026 cut-off, covering 502 published records concentrated in pulp and paper chemistry, layered laminates, and container design.
Filing activity rose through the late 2010s, peaked in 2022, and has since declined — a pattern consistent with a technology area that expanded quickly around recyclable-coating substitutes for plastic barrier layers and has since settled into narrower, more defensive filing. Because publication lags filing by roughly 18 months, the final one to two years in any trend chart will always understate actual activity.
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Filing trends and technology composition
Two views of the same 502-family dataset: how filing volume has moved year over year, and which IPC subclasses carry the claim density.
A peak-and-decline filing curve
Filings rose from 38 in 2017 to a peak of 126 in 2022, then declined toward the 2026 cut-off (partial year, 4 records so far). Read the tail years as incomplete rather than as a genuine collapse in activity — the underlying pipeline takes time to surface in published records.
Pulp chemistry dominates the IPC mix
D21H (pulp & paper compositions) leads with 376 of 502 records, followed by B32B layered products at 283 and B65D containers at 113. C08J polymer processing (105) and C08L polymer compositions (49) show that barrier and coating chemistry is filed almost as often as the paper substrate itself, while B82Y nanotechnology applications (30) remains a comparatively small, specialised slice.
Shares are the percentage of the 502 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
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Try EurekaThe most-cited records in this space
Paper-based packaging film and package comprising the film
The present invention relates to a paper-based packaging film having a first major outer surface and a second major outer surface, the paper-based packaging film comprising: a paper component; a polymeric film; and a patterned sealable material; wherein the first major outer surface comprises one or more first surface regions provided by the patterned sealable material and one or more second surface regions provided by the paper component. The present invention also relates to packages formed from or including a paper-based packaging film and optionally a product, such as a product having a cuboid shape.Filed by Amcor Flexibles North America and published December 2025, this record shows the current claim style in the field: a paper substrate paired with a patterned polymeric film rather than a full plastic barrier layer, aimed at keeping most of the pack's surface recyclable as paper.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5654039A | Recyclable and compostable coated paper stocks and related methods of manufacture | 112 |
| 2 | US5837383A | Recyclable and compostable coated paper stocks and related methods of manufacture | 98 |
| 3 | US5989724A | Recyclable and repulpable ream wrap and related methods of manufacture | 97 |
| 4 | US20220112663A1 | Biodegradable and recyclable barrier paper laminate | 62 |
| 5 | US20070232743A1 | Method of forming a vapor impermeable, repulpable coating for a cellulosic substrate and a coating compositio… | 62 |
| 6 | US6143113A | Repulpable corrugated boxboard | 57 |
| 7 | US20160230343A1 | Oil, grease, and moisture resistant paperboard | 53 |
| 8 | US6548120B1 | Recyclable and repulpable ream wrap and related methods of manufacture | 51 |
| 9 | WO1996005054A1 | Recyclable and compostable coated paper stocks | 51 |
| 10 | EP0718437A1 | Recyclable and repulpable ream wrap and related methods of manufacture | 49 |
Citation counts favour older records simply by virtue of being searchable longer; treat them as a measure of influence on the field, not of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers mean for a filing decision
Three patterns emerge from the trend data, the IPC composition and the citation table that matter for anyone deciding where to file next.
The growth phase has passed
Filings climbed steadily from 38 in 2017 to a peak of 126 in 2022 before turning down. That shape usually means the obvious claim territory — basic repulpable coatings and barrier substitutes — is now occupied, and later filers are working narrower, more incremental angles.
Pulp chemistry is the crowded layer
D21H, pulp and paper compositions, appears in three-quarters of the dataset. Anyone filing a new repulpable coating or fiber-recovery method is filing into the most contested subclass in the field, not into open space.
Foundational patents are decades old
The most-cited records date back to the mid-to-late 1990s and describe recyclable, compostable coated paper stock — the conceptual starting point most later filings still build from. High citation counts here reflect age and field-defining status, not current enforceability.
No incumbent is pulling away
Recent-year filing counts among the assignees tracked are low and mostly flat or falling, several dropping to zero. That is not evidence the field is dying — publication lag hides the newest filings — but it does mean no single company currently holds a runaway filing lead.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to paper-based packaging recycling, with the prior art for and against each one.
Who is active, and where the gaps sit
Filing activity is spread across consumer goods majors, packaging converters and specialty coating suppliers, with no single assignee accumulating a commanding recent-year lead.
Brand owners filing defensively
Consumer products companies appear in the dataset with modest, steady filing rather than aggressive volume, consistent with protecting specific packaging formats rather than building a broad portfolio.
Laminate structure is a converter's ground
Companies making the paper-polymer laminate itself concentrate their claims in B32B, layered products, where the commercial trade-off between recyclability and barrier performance is decided at the material-structure level.
A smaller but distinct filing pool
Coatings, paints and inks specialists file a narrower slice of the dataset than the pulp and laminate players, but their claims sit directly on the recyclable-coating chemistry that determines whether a pack can be repulped at all.
| Assignee | Recent year | YoY |
|---|---|---|
| ProAmpac Holdings Inc. | 2 | -33% |
| The Procter & Gamble Company | 1 | — |
| Stora Enso Oyj | 0 | -100% |
| Societe des Produits Nestle S.A. (Switzerland) | 0 | — |
| WestRock MWV, LLC | 0 | -100% |
| Amcor Flexibles North America, Inc. | 0 | -100% |
| International Paper Company | 0 | — |
| LE GRP RECH I D | 0 | — |
Where to take this
Use the trend and composition data as a starting point, then narrow to the claims that matter for a specific product format or jurisdiction.
Map claims against a specific pack format
The IPC composition shows where claim density sits in aggregate, but a real filing decision needs claims read against a specific format — carton, flexible pouch, ream wrap — rather than the field as a whole.
Explore claim-level detail in EurekaTrack the assignees showing renewed activity
Momentum figures here are mostly flat or declining, but publication lag means the newest filings are not yet visible. Watching filing behavior over the next reporting cycle will clarify who is actually still investing.
Set up assignee tracking in EurekaCommon questions about this landscape
In this landscape, it means a patent family whose claims cover paper-based, paperboard or fiber-based packaging together with a recycling-relevant property: repulpability, a recyclable coating, or a fiber recovery method. That combination is what the underlying search targets, rather than paper packaging or recycling technology in general. It excludes, for example, plastic recycling patents that happen to mention paper as an alternative material.
The dataset shows 126 families published in 2022, the high point across 2017-2026, with volumes falling in subsequent years. Part of that decline is real — the field appears to be moving from broad foundational claims toward narrower, more defensive filings as core coating and laminate approaches get occupied. Part of it is a reporting artifact: patent publication typically lags filing by around 18 months, so the last one to two years in any dataset always look thinner than they will once records catch up.
D21H, pulp and paper compositions, is the largest single IPC subclass, appearing in 376 of 502 records, followed by B32B layered products and laminates at 283 and B65D containers and packaging at 113. That means the chemistry of the paper and coating itself is more heavily claimed than the container or package design layer. A new filer targeting coating chemistry should expect denser prior art than one targeting package structure.
No single assignee shows a commanding or growing lead in recent-year filings. The recent-year momentum figures for named assignees are mostly flat, declining, or at zero, including several changes of -100% year-on-year. That pattern is more consistent with a fragmented field of consumer goods companies, packaging converters and coating suppliers than with one company setting the pace.
Based on the IPC composition, subclasses like C09D coatings and B82Y nanotechnology applications carry meaningfully fewer records than D21H or B32B, suggesting comparatively open claim territory around specific coating chemistries and nano-scale barrier treatments. Specific candidates include repulpable adhesive systems, patterned sealable film geometries, and fiber recovery process equipment, all of which sit adjacent to the dense core rather than inside it. Any filing decision in these areas should still be checked against the most-cited foundational patents, since those set the boundaries other claims work around.
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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.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.