1:26-cv-00711
Ra Jones & Co v. JLS Automation LLC
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: Ra Jones & Co. (Delaware)
- Defendant: JLS Automation, LLC. (Delaware)
- Plaintiff's Counsel: Smith Katzenstein & Jenkins LLP
- Case Identification: 1:26-cv-00711, D. Del., 06/17/2026
- Venue Allegations: Venue is asserted as proper based on Defendant being a Delaware corporation with substantial business contacts in the state.
- Core Dispute: Plaintiff seeks a declaratory judgment that its cartoning system does not infringe Defendant's patent related to adaptive container loading assemblies, and that the patent is invalid.
- Technical Context: The technology relates to automated industrial packaging machinery capable of handling and loading containers of various sizes without manual changeover, a key capability for flexible manufacturing.
- Key Procedural History: The action follows a series of pre-suit communications initiated by Defendant JLS, including an April 2025 email identifying the patent and a subsequent June 2025 letter with a claim chart alleging infringement. This history establishes the "actual controversy" between the parties required for a declaratory judgment action.
Case Timeline
| Date | Event |
|---|---|
| 2019-08-29 | '944 Patent Priority Date |
| 2022-03-15 | '944 Patent Issue Date |
| 2025-04-11 | JLS notifies RA Jones of the '944 Patent via email |
| 2025-05-14 | RA Jones notifies JLS of its non-infringement position |
| 2025-06-13 | JLS sends RA Jones a letter with a claim chart alleging infringement of Claim 1 |
| 2025-09-03 | JLS sends a follow-up letter reiterating its infringement assertion |
| 2026-06-17 | Complaint for Declaratory Judgment filed |
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 11,273,944 - Adaptive Container Loading Assembly
- Patent Identification: U.S. Patent No. 11,273,944, Adaptive Container Loading Assembly, issued March 15, 2022.
The Invention Explained
- Problem Addressed: The patent's background section describes a limitation in conventional packaging machinery, which is typically designed to handle only one size of container at a time, requiring costly downtime to reconfigure the assembly for different container dimensions '944 Patent, col. 1:32-38
- The Patented Solution: The invention proposes a modular and automated system to solve this problem '944 Patent, abstract It features a "container shuttle assembly" built on a "linear synchronous motor guideway" arranged in an endless loop '944 Patent, col. 3:25-29 On this track, "transport vehicles"-each composed of a pair of independently movable "shuttles"-can dynamically adjust the distance between them to grip and transport containers of varying sizes '944 Patent, col. 9:1-5 '944 Patent, abstract This allows the system to handle a mixed flow of containers without interruption '944 Patent, col. 10:17-19
- Technical Importance: This approach enables "automatic size change" functionality on a packaging line, eliminating manual changeover time and allowing for the concurrent processing of different product packages, thereby increasing operational flexibility and efficiency '944 Patent, col. 9:58-64
Key Claims at a Glance
- The complaint indicates that Defendant's infringement allegations center on independent Claim 1 Compl. ¶7
- The essential elements of Claim 1 are:
- An adaptive container packaging assembly comprising a container forming assembly, a container shuttle assembly, and a product transport assembly.
- The container shuttle assembly is positioned adjacent to the container forming assembly and has a linear synchronous motor guideway in an endless loop.
- A plurality of transport vehicles are movable along the guideway, with each vehicle comprising a plurality of shuttles that are spaced apart to accommodate varying sized containers.
- Each shuttle includes an upper body, guide rollers, and a highly detailed carrier assembly with first and second carrier sections, a holding block, and specific extension members for securing the container.
- The complaint, filed by the accused infringer, does not reserve the right to assert other claims, but seeks a declaration of non-infringement as to "any claim of the '944 patent" Compl. Prayer A
III. The Accused Instrumentality
Product Identification
The "RA Jones Celestion MTX cartoning system" Compl. ¶6
Functionality and Market Context
The complaint identifies the Celestion MTX as a "cartoning system" but provides no specific technical details regarding its design, features, or method of operation Compl. ¶6 The only functional description is Defendant's purported allegation that the system "meets all of the limitations of Claim 1 of the '944 patent" Compl. ¶7 The complaint does not contain allegations regarding the product's market position or commercial importance.
IV. Analysis of Infringement Allegations
The complaint is for a declaratory judgment of non-infringement and does not provide a copy of the claim chart referenced in pre-suit correspondence Compl. ¶7 Therefore, the infringement analysis is based on Defendant JLS's alleged assertions as described in the complaint. The core of JLS's alleged infringement theory is that the RA Jones Celestion MTX meets every limitation of at least Claim 1 of the '944 Patent, either literally or under the doctrine of equivalents Compl. ¶9 No probative visual evidence provided in complaint.
'944 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| An adaptive container packaging assembly comprising a container forming assembly, a container shuttle assembly, and a product transport assembly | The complaint states JLS alleges the Celestion MTX is an assembly with these components. | ¶7 | col. 2:47-50 |
| the container shuttle assembly ... having: a linear synchronous motor guideway shaped in an endless loop | The complaint states JLS alleges the Celestion MTX includes this specific type of guideway. | ¶7 | col. 3:52-54 |
| a plurality of transport vehicles movable along the guideway, each transport vehicle having a plurality of shuttles spaced apart to accommodate and receive the plurality of varying sized containers | The complaint states JLS alleges the Celestion MTX uses transport vehicles with spaced-apart shuttles to handle different container sizes. | ¶7 | col. 5:16-19 |
| each shuttle ... including an upper body secured to a pair of first guide rollers and a pair of second guide rollers, and a carrier assembly secured to an upper planar surface of the upper body | The complaint states JLS alleges the shuttles in the Celestion MTX have this specific mechanical structure. | ¶7 | col. 5:19-26 |
| the carrier assembly including a pair of first carrier sections ... a second carrier section ... and a holding block ... with each first carrier section ... including a pair of leading extension members and a trailing extension member | The complaint states JLS alleges the Celestion MTX contains this detailed, multi-part carrier assembly structure. | ¶7 | col. 5:27-39 |
Identified Points of Contention
- Scope Questions: A principal dispute may involve the scope of the structural limitations. For example, Claim 1 recites a highly detailed "carrier assembly" with specific "first carrier sections", a "second carrier section", and a "holding block". A key question will be whether the Celestion MTX's mechanism for holding containers contains these exact structures, or if JLS will need to argue that the accused structures are equivalent.
- Technical Questions: The claim requires a "linear synchronous motor guideway". The case may turn on whether the Celestion MTX's transport system uses this specific technology. Evidence will be required to determine if the accused product's conveyor mechanism is structurally and operationally the same as the one claimed, or if it constitutes a different, non-infringing technology.
V. Key Claim Terms for Construction
The Term: "a plurality of shuttles spaced apart to accommodate and receive the plurality of varying sized containers"
Context and Importance: This phrase captures the core "adaptive" functionality of the invention. The infringement analysis will depend on whether the accused product's method for adjusting to different container sizes is achieved via "a plurality of shuttles spaced apart." Practitioners may focus on this term because it defines the primary inventive concept.
Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: A party might argue for a broad, functional definition, pointing to specification language describing this as an "automatic size change means" that allows the distance between shuttles to be "managed" '944 Patent, col. 9:58-59 '944 Patent, col. 8:12-15 This could support an argument that any system with adjustable container holders on a track falls within the claim's scope.
- Evidence for a Narrower Interpretation: A party could argue for a narrower, structural definition, citing the consistent depiction of a "transport vehicle" (250) being formed from two distinct shuttle units, a "leading shuttle" (252a) and a "trailing shuttle" (252b) '944 Patent, fig. 12 '944 Patent, col. 9:38-40 This may support a construction requiring two separate, coordinated shuttle modules, not merely adjustable guides on a single carriage.
The Term: "carrier assembly" (and its recited sub-elements)
Context and Importance: Claim 1 recites a complex, multi-component structure for holding the container '944 Patent, col. 11:12-23 Whether the Celestion MTX literally infringes will likely depend on a component-by-component mapping to this term.
Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The specification describes the assembly's function as supporting and holding the container C '944 Patent, col. 9:44-47 A party could argue that any structure on the shuttle that performs this function should be considered a "carrier assembly", regardless of its precise form.
- Evidence for a Narrower Interpretation: The claim language is exceptionally detailed, describing parallel "first carrier sections", an intermediate "second carrier section", and a transverse "holding block". These are illustrated with specificity in the patent's figures '944 Patent, figs. 11-14 A party would argue that these details limit the claim to the precise mechanical arrangement shown and described, excluding alternative container-gripping mechanisms.
VI. Other Allegations
- Indirect Infringement: The complaint, which seeks a declaratory judgment of non-infringement, does not state that JLS has made any allegations of indirect or contributory infringement.
- Willful Infringement: The complaint does not mention an allegation of willfulness from JLS. However, it establishes that RA Jones was on notice of the '944 Patent and JLS's infringement contentions as of April 11, 2025, a fact that could form the basis of a future willfulness counterclaim by JLS Compl. ¶4
VII. Analyst's Conclusion: Key Questions for the Case
This declaratory judgment action appears to be a preemptive move by R.A. Jones to resolve a looming infringement dispute. The case will likely turn on the following central questions:
A question of structural identity: Does the accused Celestion MTX system incorporate the highly specific, multi-part "carrier assembly"-including the claimed "first and second carrier sections", "holding block", and "extension members"-as recited in Claim 1 of the '944 Patent? The degree of structural correspondence between the accused product and these detailed limitations will be a focal point of the infringement analysis.
A question of technological scope: Can the term "linear synchronous motor guideway," which describes a specific and advanced transport technology, be construed to read on the mechanism used in the Celestion MTX? The resolution of the case may depend on whether the accused system employs this exact technology or an alternative that falls outside the patent's scope.