Combined Public Communications LLC v. Prodigy Solutions Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Combined Public Communications, LLC (Delaware) and Prodigy Solutions Inc. (Delaware)
  • Defendant: Grissom Commissary Supply, Inc. d/b/a Care A Cell (Kentucky) and JointAccounts, LLC (Tennessee)
  • Plaintiff's Counsel: Taft Stettinius & Hollister LLP
• Case Identification: 5:26-cv-00087, W.D. Ky., 03/30/2026
• Venue Allegations: Venue is alleged to be proper because each Defendant resides in the district, is subject to personal jurisdiction, and has a regular and established place of business in the district where acts of infringement allegedly occurred.
• Core Dispute: Plaintiffs allege that Defendants' communication systems and services for correctional facilities infringe a patent related to methods for managing secure, two-way communications using a shared set of telephone numbers.
• Technical Context: The technology addresses the challenge of providing two-way communication for a transient population in secure facilities, such as prisons, without assigning a unique, dedicated phone number to each individual.
• Key Procedural History: The complaint states that Plaintiff Prodigy Solutions Inc., the patent owner, granted an exclusive license to co-Plaintiff Combined Public Communications, LLC in July 2023 to practice the patent in the U.S. corrections industry.

Case Timeline

Date	Event
2019-11-10	U.S. Patent No. 11,330,436 Priority Date
2022-05-10	U.S. Patent No. 11,330,436 Issues
2023-07-01	Prodigy grants exclusive license to CPC
2026-03-30	Complaint Filed

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

U.S. Patent No. 11,330,436 - "Secure Two-Way Communications"

• Patent Identification: U.S. Patent No. 11,330,436, "Secure Two-Way Communications", issued May 10, 2022.

The Invention Explained

• Problem Addressed: The patent describes the challenges of managing two-way communications in secure facilities where residents (e.g., inmates) share devices, do not have personal landlines or cell phone numbers, and cannot easily receive inbound calls or messages ʼ436 Patent, col. 1:50-57 Assigning a unique telephone number to every resident in a large, transient population is described as economically and logistically impractical ʼ436 Patent, col. 3:3-14
• The Patented Solution: The invention proposes a system that utilizes a "small set of telephone numbers or short codes," referred to as Automatic Number Identifications (ANIs), which are shared among many residents ʼ436 Patent, col. 1:61-64 To enable proper routing, the system creates a unique "conversation ID" that logically links a specific resident's ID, the outside party's phone number, and one of the shared ANIs ʼ436 Patent, col. 2:4-12 This allows the system to direct an inbound call from an outside party using a shared ANI to the specific resident who initiated the original conversation, creating a "bridge for two-way communication" without needing a dedicated number for each resident ʼ436 Patent, col. 2:6-8
• Technical Importance: This approach was designed to reduce the significant cost and management overhead associated with procuring and assigning a unique phone number for every individual in a correctional facility, while still enabling secure and reliable two-way communication ʼ436 Patent, col. 3:1-25

Key Claims at a Glance

• The complaint asserts "one or more claims" of the '436 Patent, including at least Claim 4 Compl. ¶32 Independent claims 1 and 4 appear representative of the patented system and method.
• Independent Claim 1 (System):
  • A system for enabling two-way communications between residents of a secure facility and outside parties.
  • Comprising memory with a "limited number of unique Automatic Number Identifications (ANIs)" stored therein.
  • The system is configured to receive a first outbound communication attempt from a first resident to a first outside party, which includes a first resident identifier and a first called party number.
  • The system attempts to find a "first conversation identifier" using the resident identifier and called party number.
  • Upon failing to find it, the system retrieves an available ANI from the limited number of ANIs.
  • It then generates a "unique new conversation identifier" based on the resident identifier, the retrieved ANI, and the called party number, and stores it.
  • The system then authorizes the outbound communication using the retrieved ANI.
• Independent Claim 4 (Method):
  • A method for enabling two-way communications.
  • Providing a limited number of unique ANIs.
  • Receiving a first outbound communication attempt from a first resident to a first outside party (including a resident identifier and called party number).
  • Using the resident identifier and called party number to attempt to find a first conversation identifier in a database.
  • Upon finding the identifier, extracting an ANI from it.
  • Upon failing to find the identifier, retrieving an available ANI from the limited number and generating a new conversation identifier based on the resident ID, retrieved ANI, and called party number, and storing it.
  • Authorizing the outbound communication using the extracted or retrieved ANI.

III. The Accused Instrumentality

Product Identification

• The "Accused Product" is identified as a communications system and/or service provided by Defendants Compl. ¶25

Functionality and Market Context

• The complaint alleges the Accused Product is installed in correctional facilities and is accessible via mobile apps, computing devices, and/or kiosks Compl. ¶25 It is alleged to enable residents of these facilities to engage in two-way communications with non-residents through text messages, phone calls, and video calls Compl. ¶25 The complaint alleges these services are provided in at least the Webster, Fulton, Hopkins, and Taylor County correctional facilities in Kentucky Compl. ¶25 The websites for both Defendants allegedly refer to communication services for correctional institutions Compl. ¶28

IV. Analysis of Infringement Allegations

'436 Patent Infringement Allegations

The complaint alleges that Defendants directly infringe one or more claims of the '436 Patent by making, using, selling, or offering for sale the Accused Product Compl. ¶32 It specifically references a claim chart comparing the Accused Product to Claim 4, which was attached as an exhibit but not provided for this analysis Compl. ¶32 Based on the complaint's narrative, the infringement theory is that the Defendants' system for providing two-way communication services to inmates performs the steps of the patented method. The complaint alleges the Accused Product enables residents to communicate with outside parties via various means, which Plaintiffs contend practices the claimed invention Compl. ¶25 The complaint does not provide sufficient detail for a specific element-by-element analysis of the infringement allegations.

Identified Points of Contention

• Technical Questions: A central factual question will likely be how the Accused Product technically manages communication routing. The complaint does not specify whether the Defendants' system utilizes a "limited number" of shared telephone numbers (ANIs) as required by the claims, or if it employs an alternative architecture (e.g., VoIP-based routing, dynamic one-time-use numbers) that may not align with the patent's core mechanism.
• Scope Questions: The infringement analysis may depend on whether the Accused Product creates and uses a data structure equivalent to the claimed "conversation identifier," which the patent defines as being based on a resident identifier, a called party number, and a shared ANI. The dispute could focus on whether the Defendants' system uses these specific data points in combination to manage and route communications as claimed.

No probative visual evidence provided in complaint.

V. Key Claim Terms for Construction

• The Term: "a limited number of unique Automatic Number Identifications (ANIs)" (from Claim 1)

• Context and Importance: This term is foundational to the patent's asserted novelty and economic advantage over prior art systems that allegedly assigned a unique number to each resident. The viability of the infringement claim depends on whether the accused system uses a quantity of phone numbers that can be considered "limited" relative to the resident population.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The patent specification does not provide a precise numerical definition of "limited," which may support a construction where any number of ANIs that is substantially less than the number of residents would meet the limitation. The term ANI itself is defined as a "telephone number or short code" ʼ436 Patent, col. 2:13-14
  • Evidence for a Narrower Interpretation: The patent's background section provides a specific example, stating that for one hundred thousand residents, the invention could use "approximately twenty shared ANIs," which represents a ratio of 5000:1 residents-to-ANIs ʼ436 Patent, col. 3:20-22 This example could be used to argue for a much more restrictive definition of "limited."

• The Term: "conversation identifier" (from Claim 1)

• Context and Importance: This term describes the key data structure the invention creates to manage communications over the shared ANIs. Infringement will likely turn on whether the Defendants' system generates a corresponding data structure that is "based on the first resident identifier... the retrieved ANI, and the first called party number" as required by the claim ʼ436 Patent, col. 18:1-3

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: A party could argue that any logical association or database entry that links these three pieces of information to route a call-regardless of its specific name or format-constitutes a "conversation identifier."
  • Evidence for a Narrower Interpretation: The patent figures illustrate this as a distinct data object created from the combination of the three specified inputs ʼ436 Patent, Fig. 2A An opposing argument might be that this term requires a specific, formally-generated identifier, and that a system that uses these data points in a different manner for routing does not create a "conversation identifier."

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced infringement under 35 U.S.C. § 271(b) and contributory infringement under § 271(c) Compl. ¶33 Compl. ¶34 The allegations state that Defendants knowingly induce others to use the Accused Product and that the product is "especially made or especially adapted for practicing the invention" and not a staple article of commerce Compl. ¶33 Compl. ¶34
• Willful Infringement: The complaint alleges that Defendants' infringement "has been, and continues to be knowing, intentional, and willful at least as of the date of this Complaint" Compl. ¶35 This phrasing suggests a primary reliance on post-suit conduct to establish willfulness.

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

• A core issue will be one of technical implementation: does the Accused Product's architecture rely on a "limited number" of shared phone numbers (ANIs) to route communications, as required by the patent, or does it utilize a different, non-infringing method to connect residents and outside parties? The complaint's general allegations do not resolve this fundamental technical question.
• A second key issue will be one of definitional scope and evidence: the case will likely require the court to construe the term "conversation identifier." Subsequently, discovery will focus on whether the Accused Product generates a data structure based on the specific combination of a resident ID, a shared ANI, and a called party number, and whether Plaintiffs can present sufficient evidence to prove this technical operation.