Litigation Details for Eko Brands v. Adrian Rivera Maynez Enterprises Inc (W.D. Wash. 2015)

Eko Brands v. Adrian Rivera Maynez Enterprises Inc (W.D. Wash. 2015)

Docket		Date Filed	2015-04-02
Court	District Court, W.D. Washington	Date Terminated	2018-07-13
Cause	15:1126 Patent Infringement	Assigned To	Michelle L. Peterson
Jury Demand	Plaintiff	Referred To
Parties	EKO BRANDS. LLC
Patents	8,022,082
Attorneys	Philip P Mann
Firms	Dto Law
Link to Docket	External link to docket

Details for Eko Brands v. Adrian Rivera Maynez Enterprises Inc (W.D. Wash. 2015)

Date Filed	Document No.	Description	Snippet	Link To Document
2015-04-02				External link to document

Eko Brands v. Adrian Rivera Maynez Enterprises, Inc. Litigation Summary, Case No. 2:15-cv-00522

Last updated: August 27, 2026

Eko Brands sued Adrian Rivera Maynez Enterprises, Inc. (ARM) in the U.S. District Court for the Western District of Washington over reusable single-serve beverage filters used in pod-style coffee brewers. The dispute centered on U.S. Patent No. 8,757,230, which covers a reusable beverage-filter assembly. The Federal Circuit later addressed the district court’s claim construction and infringement analysis in Eko Brands, LLC v. Adrian Rivera Maynez Enterprises, Inc., 946 F.3d 1367 (Fed. Cir. 2020).

The case is a mechanical-device patent dispute, not a pharmaceutical or biologic proceeding. It has no Orange Book listing, Paragraph IV certification, biosimilar component, FDA exclusivity period, or Hatch-Waxman settlement.

What was Eko Brands v. Adrian Rivera Maynez Enterprises about?

Eko Brands alleged that ARM’s reusable coffee-filter products infringed claims of U.S. Patent No. 8,757,230. The accused products were reusable filter assemblies designed for use with single-serve beverage brewers, including Keurig-compatible systems.

The asserted technology generally involved:

• A reusable filter or filter basket.
• A lid or cover associated with the filter.
• A configuration allowing the assembly to be inserted into a single-serve brewer.
• A structure that permits beverage fluid to pass through the filter while retaining coffee grounds or other beverage material.

The commercial dispute concerned competing reusable alternatives to disposable single-serve coffee pods. Eko’s patent position depended on how the claims defined the relationship between the filter, lid, and brewer.

Case identification

Item	Information
District court	U.S. District Court for the Western District of Washington
Civil action	No. 2:15-cv-00522
Plaintiff	Eko Brands, LLC
Defendant	Adrian Rivera Maynez Enterprises, Inc.
Primary patent	U.S. Patent No. 8,757,230
Technology	Reusable single-serve beverage filter
Federal Circuit decision	946 F.3d 1367
Industry	Consumer kitchen and beverage equipment
FDA relevance	None
Orange Book relevance	None

What patent protected Eko Brands’ reusable coffee-filter technology?

The principal patent associated with the litigation was U.S. Patent No. 8,757,230, titled “Reusable Beverage Filter.” The patent addressed a reusable filter assembly for single-serve beverage preparation.

The asserted claims were important because they did not merely cover a generic coffee filter. The infringement analysis turned on the claimed structural arrangement and the meaning of specific limitations, including the scope of the claimed lid and filter components.

U.S. Patent No. 8,757,230

Field	Information
Patent number	8,757,230
Title	Reusable Beverage Filter
Technology	Reusable filter for single-serve beverage brewers
Patent type	Utility patent
Plaintiff’s position	ARM products practiced the claimed filter configuration
Defendant’s position	The accused products did not satisfy one or more claim limitations
Key legal issue	Construction and application of structural claim terms

Patent expiration is generally determined from the earliest effective nonprovisional filing date, subject to patent-term adjustment or other adjustments reflected in USPTO records. The litigation materials and reported Federal Circuit decision are principally concerned with claim scope and infringement, not a final term calculation.

What claim-construction issue did the Federal Circuit decide?

The Federal Circuit reviewed the district court’s interpretation of claim language governing the filter assembly. The appellate court held that the district court’s construction of the relevant limitation was too narrow.

The decision focused on the meaning of “a lid” and its relationship to the filter assembly. The Federal Circuit rejected an interpretation that imposed structural requirements not required by the patent claims and specification. The appellate court treated claim construction as a question of law and reviewed the district court’s interpretation de novo.

The central legal principle was that courts may not import limitations from preferred embodiments into the claims absent a clear basis in the patent’s claim language, specification, or prosecution history.

Why the claim construction mattered

The accused ARM products used a reusable brewing configuration that Eko argued satisfied the claimed arrangement even though the components did not operate in the precise manner required by the district court’s construction.

A narrow construction could remove ARM’s products from the claim scope. A broader construction preserved Eko’s infringement theory and required further analysis of whether the accused products met the remaining limitations.

What was the Federal Circuit’s ruling?

The Federal Circuit vacated the district court’s judgment to the extent it rested on the erroneous claim construction and remanded for further proceedings. The appellate ruling did not create a pharmaceutical-style exclusivity right or establish automatic market exclusion. It addressed the correct legal framework for evaluating infringement.

The decision was significant for three reasons:

1. It limited the use of embodiment-based claim narrowing.
2. It required the district court to reconsider infringement under the proper construction.
3. It preserved the possibility of liability for ARM products that the district court’s narrower construction had excluded.

The Federal Circuit’s opinion did not itself constitute a final damages award. Any damages, injunction, post-remand judgment, or later resolution must be evaluated from the subsequent district-court docket and related filings.

What litigation issues affected the accused ARM products?

The case involved a conventional patent-infringement analysis under 35 U.S.C. § 271. Eko had to show that the accused products practiced every limitation of at least one asserted claim, either literally or under the doctrine of equivalents.

The principal issues were:

• Whether the accused product contained the claimed lid.
• Whether the lid and filter had the required structural relationship.
• Whether the accused assembly was configured for use in a qualifying single-serve brewer.
• Whether the claim language imposed functional or structural requirements beyond the express text.
• Whether the accused products could be found to infringe after correcting the district court’s claim construction.

The Federal Circuit’s reasoning favored a claim-based analysis rather than one based solely on how a preferred embodiment operated.

Literal infringement and equivalents

The appellate decision primarily concerned the proper interpretation of the claims. It did not make the doctrine of equivalents the central basis of liability. On remand, the district court would need to apply the corrected construction and determine whether the accused products met the limitations literally or, if necessary, under equivalents.

Did the case involve patent invalidity or patent eligibility?

The reported Federal Circuit decision is principally a claim-construction and infringement decision. It does not represent a major ruling under 35 U.S.C. §§ 101, 102, or 103.

The case therefore differs from patent disputes in which the main risk is invalidity based on:

• Section 101 patent eligibility.
• Section 102 anticipation.
• Section 103 obviousness.
• Section 112 written description or enablement.
• Patent-term or ownership defects.

The litigation risk was claim scope and infringement exposure rather than a broad ruling invalidating the patent.

Was there Paragraph IV litigation or FDA exclusivity?

No. The dispute did not involve an approved drug, biologic, abbreviated new drug application, biosimilar application, or FDA-listed patent.

Regulatory issue	Status
Orange Book listing	Not applicable
Paragraph IV certification	Not applicable
30-month stay	Not applicable
New chemical entity exclusivity	Not applicable
New clinical investigation exclusivity	Not applicable
Biosimilar litigation	Not applicable
FDA manufacturing exclusivity	Not applicable

Any analysis describing this case as a drug patent or Orange Book dispute would be incorrect.

What was the commercial significance of the patent dispute?

The litigation concerned reusable alternatives to disposable coffee pods. The commercial value of the patent estate depended on the extent to which the patent could restrict competing reusable filter products compatible with major single-serve brewing platforms.

The relevant commercial factors were:

• Compatibility with Keurig-style brewers.
• Ability to replace disposable pods.
• Reusability and consumer cost savings.
• Product geometry and brewer interface.
• The number of competing reusable filter designs.
• The ability to design around the claimed lid and filter arrangement.
• Enforcement cost relative to consumer-product revenue.

Unlike pharmaceutical patent litigation, the case did not involve regulatory approval barriers that automatically delay generic entry. A competitor could enter the market by selling a noninfringing design, challenging validity, or negotiating a license.

How strong was Eko Brands’ patent position?

Eko’s position was strengthened by the Federal Circuit’s rejection of an unduly narrow claim construction. The ruling prevented the accused products from escaping the infringement analysis solely because their components differed from the district court’s interpretation of the claimed structure.

The patent estate nevertheless had narrower commercial leverage than a pharmaceutical composition patent. A reusable filter patent is exposed to:

• Design-around opportunities.
• Alternative lid and filter geometries.
• Noninfringing brewer interfaces.
• Invalidity challenges based on earlier reusable filters.
• Product changes that avoid a specific structural limitation.
• Limited damages where the accused products compete in a price-sensitive consumer market.

The strongest enforcement position would cover the physical features that competitors cannot easily modify without losing compatibility or performance. A claim that depends on a particular lid arrangement may provide meaningful protection but also gives competitors a clear design-around target.

What generic-entry risks existed?

“Generic entry” is not the correct regulatory term for this case. The comparable business risk was competing-product entry.

ARM could challenge Eko’s position through:

1. Noninfringement arguments based on product architecture.
2. Invalidity arguments based on prior reusable filter systems.
3. Product redesign.
4. Licensing or settlement.
5. Continued sales while contesting infringement and damages.

The Federal Circuit ruling increased the risk that ARM’s existing product configuration could remain within the scope of the asserted claims after remand. It did not prevent ARM or other competitors from developing products with different structural arrangements.

What is the litigation status and outcome?

The key reported appellate event was the Federal Circuit’s 2020 decision in Eko Brands, LLC v. Adrian Rivera Maynez Enterprises, Inc., 946 F.3d 1367. The court rejected the district court’s restrictive claim construction, vacated the affected judgment, and remanded for proceedings consistent with the appellate opinion.

The appellate decision should be read as a claim-scope ruling, not as a final public damages determination. The case’s final commercial resolution depends on the post-remand docket, including any later judgment, settlement, license, or dismissal.

Litigation timeline

Date	Event
2015	Eko Brands filed the Western District of Washington action, No. 2:15-cv-00522
Pre-appeal proceedings	Claim construction and infringement disputes focused on the reusable filter assembly
2019-2020	Federal Circuit review
2020	Federal Circuit issued 946 F.3d 1367 and remanded after rejecting the restrictive construction
Post-remand	Further district-court proceedings required to apply the corrected claim construction

How does this case compare with pharmaceutical patent litigation?

Issue	Eko Brands v. ARM	Pharmaceutical Hatch-Waxman case
Subject matter	Reusable beverage filter	Drug compound, formulation, method, or manufacturing process
Regulatory gate	None	FDA approval pathway
Orange Book	No	Often applicable
Paragraph IV	No	Common
Automatic stay	No	Potential 30-month stay
Biosimilar risk	None	Relevant for biologics
Market entry	Product redesign or litigation resolution	ANDA or 505(b)(2) approval plus patent strategy
Main legal issue	Claim construction and infringement	Infringement, validity, regulatory exclusivity
Damages exposure	Consumer-product sales	Potentially large branded-drug sales

Key Takeaways

• Eko Brands sued ARM over reusable single-serve beverage-filter products.
• The primary patent was U.S. Patent No. 8,757,230.
• The Federal Circuit decision is reported at 946 F.3d 1367.
• The central issue was whether the district court construed the claimed lid and filter arrangement too narrowly.
• The Federal Circuit vacated the affected judgment and remanded for further proceedings.
• The case involved no drug, biologic, Orange Book listing, Paragraph IV certification, or biosimilar application.
• The commercial risk was competing-product infringement and design-around exposure.
• The Federal Circuit ruling strengthened Eko’s claim-scope position but did not create an industry-wide exclusion or establish a final damages award.

FAQs About Eko Brands v. ARM Enterprises

What patent number was asserted by Eko Brands?

Eko Brands principally asserted U.S. Patent No. 8,757,230, directed to a reusable beverage filter for single-serve brewing systems.

Was ARM Enterprises found liable for patent infringement?

The Federal Circuit’s reported decision addressed claim construction and remanded after rejecting the district court’s restrictive interpretation. The appellate opinion itself was not a final damages judgment.

Did Eko Brands obtain an injunction against ARM?

The reported Federal Circuit decision does not itself establish a permanent injunction. Injunctive relief would depend on later district-court proceedings or a negotiated resolution.

Did the case affect Keurig patent rights?

The case concerned reusable filter products compatible with single-serve brewers. It did not adjudicate the validity or enforceability of Keurig’s separate patent portfolio.

Was there a settlement agreement between Eko Brands and ARM?

A settlement or post-remand resolution must be established from the later district-court docket or a reported agreement. The appellate ruling alone does not establish the terms of any settlement.

References

1. Eko Brands, LLC v. Adrian Rivera Maynez Enterprises, Inc., 946 F.3d 1367 (Fed. Cir. 2020).

2. U.S. Patent No. 8,757,230, “Reusable Beverage Filter,” U.S. Patent and Trademark Office.

3. U.S. District Court for the Western District of Washington. Eko Brands, LLC v. Adrian Rivera Maynez Enterprises, Inc., No. 2:15-cv-00522. Docket record.