Aseptic Packaging Patents: Top Companies & Filing Trends 2026
A data-backed look at the aseptic packaging patent landscape: who leads filings, how the technology splits across IPC classes, where filing activity peaked, and where white space remains for new entrants.
Filing growth = 2021 (57 records) → 2024 (37); 2024 is the last year we treat as complete. Top-5 share = the 5 largest assignees ÷ all 2,157 records in scope (CR5), not the ranked leaders only.
What the aseptic packaging patent record shows
Aseptic packaging spans the equipment and materials that let sterile products be filled and sealed without refrigeration, from carton-based beverage systems to fitment-sealed pouches for medical fluids. The 2,157 records captured here run from 2015 through the partial 2026 filing year and are classified under B65D and B65B, the containers-and-packaging and packaging-and-wrapping subclasses. Filing has been dominated by a small group of established packaging manufacturers, but the ranked leaders account for a minority of the total, and most records belong to companies that appear only a handful of times.
The technology composition data shows claims layered across sterilisation methods, laminate materials and food-contact structures rather than concentrated in a single mechanism, which matters for anyone assessing where a new filing might actually clear prior art.
Filing trends and technology composition
Two views of the same 2,157-record dataset: how filing volume has moved year over year, and how records distribute across the IPC subclasses that define the technology.
Filing activity, 2017-2026
Annual filings rose from 21 in 2017 to a peak of 57 in 2021, then declined to 37 by 2024 — a 35% drop over that three-year span. 2025 and 2026 figures are still incomplete because publication typically lags filing by around 18 months, so the recent-year numbers understate actual filing activity rather than confirming a slowdown.
Publication lags filing by roughly 18 months, so 2025 onwards are still filling in. Growth rates on this page therefore end at 2024; running them to the last bar would understate the field.
Technology composition by IPC subclass
B65B (packaging and wrapping) and B65D (containers and packaging) cover the majority of records at 68.4% and 44.6% of the 2,157 records respectively, confirming these are the structural core of the field. Smaller but meaningful shares sit in B32B laminates (12.3%), A23L food and beverage applications (11.7%), and A61L sterilising and disinfecting methods (10.6%) — since records can carry multiple classes, these percentages overlap rather than sum to 100%.
Shares are the percentage of the 2,157 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Aseptic Packaging Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about aseptic packaging patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative and most-cited filings
Aseptic packaging system, packaging process and package with external fitment
An aseptic packaging system includes a film unwind device; a fitment feed device for feeding a plurality of fitments; an apparatus for attaching each of the fitments to a second surface of the film; an assembly for sterilizing the film and optionally each of the fitments; an assembly for drying the film and optionally each of the fitments; and a vertical form/fill seal apparatus for making packages from the sterilized film and each of the fitments, each package comprising a pouch comprising a first and second transverse seal, a first and second fold, an interior and exterior surface, and a longitudinal seal; and an external fitment sealed to the exterior surface of the pouch.Filed by Cryovac, this record ties together film sterilisation, fitment attachment and form/fill/seal assembly into a single claimed system, illustrating how commercial-scale aseptic packaging claims tend to bundle equipment and process steps rather than isolate one mechanism.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20030205029A1 | Method and apparatus for introducing a non-sterile component into a sterile device | 1,492 |
| 2 | US20160135895A1 | Medical device packaging | 643 |
| 3 | US4871091A | Disposable package for liquids | 180 |
| 4 | US4021283A | Method of making aseptic packaging | 145 |
| 5 | US4910942A | Methods for aseptic packaging of medical devices | 144 |
| 6 | WO1995005996A1 | Aseptic brick package | 132 |
| 7 | US5674546A | Package for storing and cooking an omelet | 121 |
| 8 | US6096358A | Method of manufacturing an aseptically sterilized package containing a liquid nutritional product | 115 |
| 9 | US5960992A | Aseptic brick package spout | 114 |
| 10 | US5156295A | Bag lined carton with pour spout | 111 |
Citation counts reflect influence within the searched corpus and favour older filings; they are not a measure of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Three figures worth acting on: how concentrated the field is at the top, where the peak filing activity sat, and which older filings still anchor the citation graph.
Leadership is real but not dominant
The five most active filers together account for 25.7% of all 2,157 records in scope, and the top 10 extend that to 32.6%. That leaves roughly two-thirds of the field to a long tail of companies filing in smaller numbers, which is where freedom-to-operate analysis needs the most care rather than the least.
Activity has cooled from its 2021 peak
Filings rose from 21 in 2017 to a peak of 57 in 2021, then fell 35% to 37 by 2024. Because 2025 and 2026 data is still filling in, this should be read as activity easing off a peak rather than the field going quiet.
One foundational filing still shapes the field
US20030205029A1, covering introduction of a non-sterile component into a sterile device, carries 1,492 citations — far ahead of the next most-cited record at 643. High citation counts mark historical influence within the corpus, not current commercial weight, since older filings accumulate citations simply by being available longer.
Sterilising methods are a distinct, smaller claim zone
A61L sterilising and disinfecting classifications appear on 10.6% of the 2,157 records, well below the packaging-structure classes but still substantial enough to represent an active, separately claimable dimension of the technology.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to aseptic packaging patent landscape, with the prior art for and against each one.
Where to take this analysis
The dataset points to specific next steps depending on whether you are scoping a filing, tracking a competitor, or assessing freedom to operate.
Map a specific claim against this corpus
Run a candidate claim through Patsnap Eureka to see which existing records in this space it would need to be distinguished from before drafting.
Explore EurekaTrack the long tail of filers
With most of the field held by companies outside the ranked leaders, ongoing monitoring of new entrants matters more here than in a concentrated field.
Set up monitoringWatch the sterilisation sub-field separately
A61L classifications sit apart from the core packaging-structure classes and may warrant their own competitive review as sterilisation methods evolve.
Review IPC breakdownCommon questions about the aseptic packaging patent landscape
The dataset ranks 100 companies by record count, and the leader holds 383 records, well ahead of the fifth-ranked filer at 37. Together the top five hold 25.7% of all 2,157 records in scope, and the top ten hold 32.6%. That still leaves roughly two-thirds of filings spread across a long tail of companies, so no single filer controls the field outright.
Filing volume rose from 21 records in 2017 to a peak of 57 in 2021, then declined to 37 by 2024, a 35% drop over that three-year span. Figures for 2025 and 2026 are still incomplete because patent publication typically lags actual filing by around 18 months, so those recent years should not be read as confirming a continued decline. 2024 is the most recent year that can be treated as a complete data point.
The core of the field sits in B65B packaging and wrapping (68.4% of the 2,157 records) and B65D containers and packaging (44.6%). Supporting technology areas include B32B layered laminates (12.3%), A23L food and beverage applications (11.7%), and A61L sterilising and disinfecting methods (10.6%). Because a single record can carry multiple classifications, these shares overlap rather than summing to 100%, reflecting how aseptic packaging claims typically bundle structural, material and sterilisation elements together.
The most-cited record in the dataset is US20030205029A1, covering a method and apparatus for introducing a non-sterile component into a sterile device, with 1,492 citations. The next most-cited is US20160135895A1 on medical device packaging at 643 citations, followed by older filings including US4871091A and US4021283A. High citation counts reflect how long a record has been available to be cited within the searched corpus, and are a better signal of historical influence than of current commercial relevance.
Yes — concentration at the top is moderate rather than extreme, with the ranked leaders holding only 32.6% of all 2,157 records between the top ten, which suggests room for new entrants in less-crowded combinations. Sub-fields such as A61L sterilising methods (10.6% of records) and A23B food preservation (3.8%) carry lower filing density than the core packaging-structure classes, making them worth a closer look for anyone assessing where a new claim might clear prior art more easily.
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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.