Compostable Packaging Certification Patents: Top Filers & Trends 2026
- Filings jumped +400% from 2021 to 2024 (2 records to 10), with 2022 the peak year so far at 14 records — the sharpest three-year acceleration in this dataset.
- One filer holds 13 of 43 records and the top 5 assignees together account for 62.8% of all 43 records in scope, so the field is concentrated well before the ranked list runs out.
- Polymer composition claims dominate C08L covers 60.5% of the 43 records, more than double the next largest class — most of the contest is happening in formulation, not container design.
Filing growth compares 2021 (2 records) with 2024 (10) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 43 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
Compostable packaging certification sits at the intersection of polymer chemistry and regulatory testing: disintegration behaviour, ecotoxicity limits, home-composting conditions and labelling requirements all show up in the claim language captured here. The scope spans 43 published records filed between 2015 and mid-2026, searched against language covering disintegration testing, ecotoxicity, home composting conditions, labelling requirements, recycling contamination and shelf life. This is a small, young field: filing activity was effectively zero before 2017 and only began compounding meaningfully after 2021.
Because publication lags filing by roughly 18 months, the 2025 and 2026 figures in any trend line are undercounts of what has actually been filed — treat the 2022 peak and the 2021-2024 growth figure as the more reliable signal of momentum, not the tail end of the chart.
Let an AI agent run this analysis on your own technology
Pick a task. Every answer cites the patents behind it.
Filing trend and technology composition
Two views of the same 43 records: how filing activity has moved year over year, and which IPC subclasses carry the claim density.
Filing trend, 2017-2026
From zero filings in 2017 to a peak of 14 in 2022, then a documented climb from 2 records in 2021 to 10 in 2024 (+400%). The most recent one to two years will revise upward as later publications catch up.
IPC subclass composition
C08L (polymer compositions) appears in 60.5% of the 43 records, with B32B (layered products) and C08K (polymer additives) each at 32.6% and B65D (containers & packaging) at 30.2%. Records can carry several classes, so these shares add to more than 100%; the pattern still shows claim weight sitting in material formulation ahead of container structure.
Shares are the percentage of the 43 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Compostable Packaging Certification with Eureka
This page is one run against one query. Ask Eureka your own question about compostable packaging certification and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records in this dataset
Process for making melt processable cellulose ester compositions comprising amorphous biofiller (US20240409722A1)
Cellulose ester compositions comprising starches having a degree of branching of from 2 to 6 exhibit improved industrial compostability and higher heat deflection temperatures than compositions with lower degrees of branching. The filing also covers processes for making these compositions and articles made from them.Filed by Eastman Chemical Company, published 2024-12-12.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | WO2020152671A1 | Compostable packaging material | 10 |
| 2 | US20100233327A1 | System and method for formulating compositions of concentrated liquid sweeteners for individual servings in … | 10 |
| 3 | WO2023059849A1 | Process for making melt processable cellulose ester compositions comprising amorphous biofiller | 3 |
| 4 | US20220315304A1 | Biodegradable and compostable packaging material and package using same | 3 |
| 5 | WO2023059844A1 | Melt processable cellulose ester compositions comprising amorphous biofiller | 2 |
| 6 | RU2829237C1 | Method of producing packaging paper with propolis for food products | 1 |
| 7 | WO2022165417A1 | Compostable flexible material | 1 |
| 8 | GB2576272A | Laser-modified biodegradable and compostable packaging material | 1 |
Citation counts inside this corpus skew toward older filings and should be read as a signal of influence at filing time, not of current commercial importance.
Publication numbers are shown where the record carries one (8 of 8 rows); clicking a row searches Eureka by that number.
Put your own technology through the same analysis
Eureka on the web
When you want the answer in the next five minutes.
The agent works the prompt against patents and technical literature, citing every source.
Run your analysis now →MCP server & REST API
When it has to run inside your own pipeline.
Patent search, landscape analysis and assignee resolution as MCP tools. Drop them into any agent framework, or call REST directly.
Browse MCP servers →What the numbers mean for filing strategy
Three patterns stand out once the filing trend, the assignee spread and the class composition are read together.
The field is top-heavy despite its size
With the leading assignee alone holding 13 of 43 records and the top 5 combined accounting for 62.8% of all records in scope, a newcomer is not entering an open field — they are entering one where a handful of filers already occupy the core formulation claims.
Filing activity is still accelerating, on the numbers that have fully published
The jump from 2 records in 2021 to 10 in 2024 is the clearest growth signal in the dataset. Because 2025-2026 filings are still publishing, the true current rate is likely higher than the chart shows for those years — this is a field still building, not one that has plateaued.
Formulation, not structure, is where the claims sit
C08L appears in well over half of all 43 records, roughly double the share of B65D (containers & packaging, 30.2%). Most patent activity is defending polymer and additive chemistry rather than pack shape or closure mechanisms, which is where a structural-design entrant would face less prior art.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to compostable packaging certification, with the prior art for and against each one.
Who is filing, and what they're not covering
The ranked list runs to 31 companies across the 43 records in scope — not a top-50 or top-100 cut, the full set the data endpoint returns for this search.
One filer sets the pace by a wide margin
The leading assignee's 13 records are more than four times the fifth-place count of 2, meaning the head of this ranking is dominated by a single filer rather than a tightly bunched group.
Most filers appear once or twice
Beyond the top 10, which together hold 79.1% of the 43 records, the remaining assignees each contribute a handful of filings at most — a pattern typical of a field still attracting new, often single-filing entrants rather than an established oligopoly.
PCT and dual EPO/US filing dominate the route split
WIPO (PCT) accounts for the largest single receiving-office count at 12, ahead of Europe (8), India and the United States (7 each). This points to applicants seeking broad multi-jurisdiction cover early rather than filing nationally first.
| Assignee | Recent year | YoY |
|---|---|---|
| Eastman Chemical Company | 0 | — |
| Rigenera di Sfrecola Cosimo Damiano | 0 | -100% |
| Freshr Sustainable Tech Inc | 0 | — |
| KORDE PRAKASH DAMODAR | 0 | — |
| Jabil Inc | 0 | — |
| Walki Group Oy | 0 | — |
| BOSKOVICH FRESH FOOD GRP INC | 0 | — |
| Colgate-Palmolive Company | 0 | -100% |
Where to take this from here
The dataset points to a formulation-heavy field with a concentrated top and a long tail of new entrants — three directions follow from that.
Map the white space before filing
Structural and labelling-related claims are thinner than polymer-composition claims across these 43 records. A first filing aimed at container structure or contamination-detection labelling would face less prior art than another cellulose-ester composition claim.
Explore white space in EurekaWatch the leader's continuation activity
With 13 of 43 records, the top assignee's future filings will shape how much of the formulation space stays open. Tracking their continuations is more informative here than tracking the long tail.
Track assignee activity in EurekaRevisit the 2025-2026 trend once it settles
Publication lag means the most recent one to two years understate real filing volume. Re-pull this trend in a few quarters to see whether the 2021-2024 growth rate held.
Set up trend monitoring in EurekaCommon questions on compostable packaging certification patents
This dataset covers 43 published records filed between 2015 and mid-2026 that match search language around disintegration testing, ecotoxicity, home composting conditions, labelling requirements, recycling contamination and shelf life. That is a small, specialised field rather than a broad packaging category. Filing activity was essentially absent before 2017 and only began climbing meaningfully from 2021 onward, so the field is young relative to packaging patenting generally.
The ranking includes 31 companies across the 43 records in scope, and it is concentrated: the top-ranked assignee alone holds 13 records, and the top 5 combined account for 62.8% of all records. Beyond the top 10, which reach 79.1% of records, most remaining filers hold only one or two records each. That combination of a dominant leader and a long tail of single-filing entrants is typical of a field still attracting new participants rather than one with an established, evenly matched set of competitors.
Claim activity concentrates in polymer chemistry: the C08L subclass (polymer compositions) appears in 60.5% of the 43 records, ahead of B32B (layered products and laminates) and C08K (polymer additives), each at 32.6%, and B65D (containers and packaging) at 30.2%. Because a single record can carry multiple IPC classes, these shares add to more than 100%. The pattern indicates most patent effort is going into formulating compostable materials rather than into container or packaging structure.
Filings grew from 2 records in 2021 to 10 in 2024, a documented increase of +400% over that three-year span, with 2022 standing as the highest single-year total recorded so far at 14 filings. Because publication typically lags filing by around 18 months, the 2025 and 2026 counts in the trend are undercounts and should not be read as a slowdown. The 2021-2024 window is the most reliable growth signal currently available in this dataset.
Relative to the dense polymer-composition cluster (C08L at 60.5% of records), areas like home-composting disintegration protocols, ecotoxicity labelling standardisation, recycling-contamination detection and container-structure claims outside the core B65D grouping carry noticeably thinner coverage. That does not mean these areas are unpatentable prior art territory — it means fewer claims currently occupy them, which is where a new entrant might file with less crowding. Any filing strategy there should still be checked against the specific most-cited records in this space before drafting claims.
Research Compostable Packaging Certification in depth with Eureka
Go past this page: query the whole compostable packaging certification corpus yourself, in your own scope.
Every answer comes back with patent numbers you can open.
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.