Dbest Products Inc v. Katziela Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: dbest products, Inc. (California)
  • Defendant: Katziela Inc. (New York) and Shaul Markowitz (New York)
  • Plaintiff's Counsel: Orbit IP, LLP
• Case Identification: 2:25-cv-11032, C.D. Cal., 02/27/2026
• Venue Allegations: Plaintiff alleges venue is proper based on a mandatory forum-selection clause in a prior settlement agreement between the parties and on Defendants' alleged acts of infringement directed at the judicial district.
• Core Dispute: Plaintiff alleges that Defendants' pet carriers infringe a patent related to a portable pet carrier system, and that this conduct also constitutes a breach of a prior settlement and license agreement.
• Technical Context: The technology at issue involves portable pet carriers designed with a detachable, wheeled platform that allows the carrier to be transported without tilting, thereby aiming to improve pet comfort during travel.
• Key Procedural History: The complaint states the parties entered a Settlement and License Agreement on June 29, 2022, to resolve a prior infringement dispute over the same patent. Plaintiff alleges Defendants subsequently breached that agreement by selling new, undisclosed infringing products without reporting them or paying royalties, which forms the basis for the current allegations of willful infringement.

Case Timeline

II. Technology and Patent(s)-in-Suit Analysis

U.S. Patent No. 9,392,766 - PORTABLE PET CARRIER TO TRANSPORT A PET FROM ONE LOCATION TO ANOTHER AND RETAIN THE PET IN THE CARRIER WHILE TRAVELING

• Patent Identification: U.S. Patent No. 9,392,766, "PORTABLE PET CARRIER TO TRANSPORT A PET FROM ONE LOCATION TO ANOTHER AND RETAIN THE PET IN THE CARRIER WHILE TRAVELING," issued July 19, 2016 Compl. ¶15

The Invention Explained

• Problem Addressed: The patent describes a need for a pet carrier that is both easy to transport and comfortable for the pet Compl. ¶14 '766 Patent, col. 1:11-17 Prior art wheeled carriers often require the carrier to be rolled at an angle, which can cause the pet discomfort '766 Patent, col. 1:44-48
• The Patented Solution: The invention is a two-part system comprising a soft-sided, foldable pet carrier and a separate flat, wheeled base platform '766 Patent, col. 2:1-2 The carrier is removably secured to the platform, and a key feature is a telescoping handle attached to the base via a rotating mechanism '766 Patent, col. 2:3-11 This mechanism allows the handle to be set at an angle for pulling, while the platform and the pet inside remain in a stable, horizontal orientation '766 Patent, col. 1:56-60 '766 Patent, FIG. 1 The handle can also be folded and stored underneath the base '766 Patent, col. 2:11-18 '766 Patent, FIG. 4
• Technical Importance: This design seeks to provide the convenience of wheeled luggage while maintaining the pet's stability and comfort, a combination the patent asserts was lacking in prior designs '766 Patent, col. 2:50-59

Key Claims at a Glance

• The complaint asserts infringement of at least claim 10, which is an independent claim Compl. ¶40
• The essential elements of independent claim 10 are:
  • A flat base platform with four wheels: two fixed-direction rear wheels and two rotating front wheels.
  • A telescoping handle connected to the base by a "rotation mechanism" that enables the handle to be rotated to a 45-degree angle for transport (keeping the carrier horizontal) and also allows the handle to be folded and stored underneath the base.
  • A pet transport carrier that removably attaches to the base via two distinct methods: (1) a strap that wraps around the bottom of the base platform and (2) a separate system of mating hook-and-loop fasteners on the carrier's bottom surface and the platform's top surface.
• The complaint alleges infringement of "one or more claims," thereby reserving the right to assert additional claims Compl. ¶28

III. The Accused Instrumentality

Product Identification

• The complaint identifies the "Accused Instrumentalities" as pet carriers sold by Defendant Katziela on Amazon.com Compl. ¶32 A list of specific Amazon Standard Identification Numbers (ASINs) is provided Compl. ¶32

Functionality and Market Context

• The complaint alleges these products are pet carriers that infringe the '766 Patent Compl. ¶8 Compl. ¶18 It does not provide a detailed technical description of the accused products' features or operation in the body of the complaint, instead referencing an attached claim chart (Exhibit D) that was not included in the provided court filing Compl. ¶34 The allegations state that Defendants sell these products to consumers in the United States through online retail platforms Compl. ¶17

IV. Analysis of Infringement Allegations

The complaint states that a representative claim chart demonstrating infringement is attached as Exhibit D Compl. ¶34 However, this exhibit is not included in the provided document. The infringement theory, as described in the complaint's narrative, is that the Accused Instrumentalities are pet carrier products that incorporate the combination of elements recited in at least claim 10 of the '766 Patent Compl. ¶40 The complaint alleges direct infringement by Defendants for making, using, selling, and offering the products for sale, and by purchasers for using the products Compl. ¶33 Compl. ¶40 No probative visual evidence provided in complaint.

• Identified Points of Contention:
  • Scope Questions: A potential dispute may arise over the scope of the claimed "rotation mechanism" for the handle. The analysis may question whether the accused products' handle mechanism performs the specific dual functions required by claim 10(b): enabling both angled transport and folded, horizontal storage underneath the base.
  • Technical Questions: The infringement analysis raises the factual question of whether the accused products meet the dual-fastener limitation of claim 10(c). The claim requires both a strap that wraps "around the bottom of the flat base platform" and a separate pair of mating hook-and-loop fasteners between the carrier and the platform. It is an open question whether the complaint provides evidence that the accused products incorporate both of these distinct attachment systems.

V. Key Claim Terms for Construction

• The Term: "rotation mechanism" (from claim 10)

• Context and Importance: This term is critical because it defines the structural component that enables the handle's claimed dual functionality of angled pulling and flat storage. The definition of this term will be central to determining whether the accused products, which may have different handle joints, infringe.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The claim uses functional language, describing the mechanism by what it does: "enable the telescoping handle to be rotated" '766 Patent, col. 9:49-50 This may support an interpretation that covers any structure performing the specified rotational functions.
  • Evidence for a Narrower Interpretation: The specification discloses a specific embodiment of the "rotatable mechanism 64" '766 Patent, col. 4:64-65 '766 Patent, FIG. 3 A party may argue that this detailed disclosure limits the term's scope to the particular structure shown or its equivalents.

• The Term: "retained in a horizontal orientation" (from claim 10)

• Context and Importance: This phrase describes a key alleged benefit of the invention-pet comfort-and distinguishes it from prior art. The dispute will likely focus on how strictly "horizontal" should be interpreted.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The patent's background criticizes prior art where the "carrier [is] to be rolled at an angle" '766 Patent, col. 1:45-46 This suggests "horizontal" should be construed functionally as "not substantially angled" in a way that would cause pet discomfort.
  • Evidence for a Narrower Interpretation: The abstract and summary repeatedly emphasize that the carrier remains in a "horizontal orientation," which could suggest an intent to claim an apparatus that remains substantially parallel to the ground during transport '766 Patent, abstract '766 Patent, col. 1:58-60

VI. Other Allegations

• Indirect Infringement: The complaint alleges that individual Defendant Shaul Markowitz induced infringement Compl. ¶41 This allegation is based on his alleged knowledge of the '766 Patent, established by the prior Settlement and License Agreement, and his alleged intentional acts of directing product design, controlling manufacturing and distribution, and creating marketing materials that encourage infringing use Compl. ¶41
• Willful Infringement: Willfulness is alleged based on Defendants' pre-suit knowledge of the '766 Patent arising from the parties' 2022 Settlement and License Agreement Compl. ¶¶21-22 Compl. ¶37 The complaint alleges that despite this knowledge, Defendants continued to infringe by selling new, undisclosed products without paying royalties, which Plaintiff characterizes as intentional and willful conduct Compl. ¶25 Compl. ¶29 Compl. ¶37

VII. Analyst's Conclusion: Key Questions for the Case

• A core issue will be one of claim scope and factual proof: does the accused product's handle assembly meet the specific dual-mode functionality recited in claim 10, which requires a "rotation mechanism" that allows for both angled pulling and flat, under-base storage? The case may turn on evidence demonstrating that the accused products' mechanism performs both of these distinct claimed functions.
• A second key evidentiary question will be one of component presence: do the accused products meet the dual-attachment requirement of claim 10, which recites both a wrap-around strap and separate hook-and-loop fasteners? The complaint does not contain evidence to confirm the presence of both systems, and infringement will require proof of each.
• Finally, given the history of a prior license agreement, a central focus will be on willfulness: did the Defendants' alleged sales of new, undisclosed products after entering the agreement constitute deliberate or egregious conduct sufficient to warrant a finding of willful infringement and potential enhancement of damages?