Litigation
Unified Patents v. Ascentcare Dental Products, Inc.
Not Instituted - ProceduralIPR2025-01059
- Filed
- 2025-07-15
Patents at issue (1)
Plaintiffs (1)
Defendants (1)
Summary
Unified Patents filed an Inter Partes Review (IPR) against Ascentcare Dental Products, Inc. challenging patent 11744686, which was not instituted due to procedural reasons.
Case overview & background
Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.
Unified Patents initiated an Inter Partes Review (IPR) challenging U.S. Patent No. 11,744,686, with Ascentcare Dental Products, Inc. identified as the patent owner in this proceeding. Unified Patents is a membership-based organization dedicated to deterring unsubstantiated patent assertions by Non-Practicing Entities (NPEs), commonly known as patent trolls, and improving patent quality across various technology sectors, often through the filing of IPRs. Ascentcare Dental Products, Inc. is an operating company specializing in the design and manufacture of innovative dental technologies, including isolation systems, mouthpieces, evacuation mirrors, and mouth prop systems.
U.S. Patent No. 11,744,686 is titled "In vivo tissue engineering devices, methods and regenerative and cellular medicine employing scaffolds made of absorbable material." Public records indicate that this patent's assignee is Bard Shannon Ltd.. This presents a notable discrepancy, as Ascentcare Dental Products' core business is dental devices, not tissue engineering, and its known patent litigation activities relate to its dental isolation products (e.g., VacuLUX system) against competitors like Solmetex, LLC. Assuming Ascentcare is indeed the patent owner for the purpose of this IPR, the technical field of the challenged patent is outside Ascentcare's primary product lines, raising questions about how this patent came into Ascentcare's portfolio or its specific assertion context.
The case, IPR2025-01059, was filed on July 15, 2025, before the Patent Trial and Appeal Board (PTAB), an administrative tribunal within the U.S. Patent and Trademark Office (USPTO) that reviews the patentability of claims in issued patents. The procedural posture of "Not Instituted - Procedural" indicates that the PTAB declined to proceed with a full review of the patent's validity, not based on the merits of the prior art arguments, but due to a procedural deficiency or bar in the petition. This specific IPR is notable due to Unified Patents' role as an anti-NPE organization challenging a patent ostensibly owned by an operating company, and the unusual "Not Instituted - Procedural" outcome, which prevents a full examination of the patent's claims for validity. The disparity between the patent's technical field and Ascentcare's known business operations, along with the reported assignee on public patent databases, adds further intrigue to the background of this particular IPR.
Key legal developments & outcome
Major rulings, motions, claim construction, settlements, and the present posture or final disposition.
Key Legal Developments and Outcome for Patent 11744686
This summary addresses the Inter Partes Review (IPR) proceeding IPR2025-01059, filed by Unified Patents against Ascentcare Dental Products, Inc., as well as a related patent infringement litigation involving patent 11744686.
Inter Partes Review: Unified Patents v. Ascentcare Dental Products, Inc., IPR2025-01059
Filing and Outcome: Unified Patents filed IPR2025-01059 challenging U.S. Patent No. 11,744,686. This IPR was not instituted due to procedural reasons. The filing date for IPR2025-01059 was July 15, 2025.
Parallel Patent Infringement Litigation: Solmetex, LLC v. Ascentcare Dental Products, Inc., Case No. 1:24-cv-00954-RJJ-MV
While the IPR Unified Patents v. Ascentcare Dental Products, Inc. concerned patent 11744686, the primary patent infringement litigation involving this patent, and several others, is Solmetex, LLC v. Ascentcare Dental Products, Inc., filed in the U.S. District Court for the Western District of Michigan under Case No. 1:24-cv-00954-RJJ-MV. In this district court case, Solmetex, LLC is the Plaintiff/Counter-Defendant, and Ascentcare Dental Products, Inc. is the Defendant.
Pre-filing Dispute: Prior to the lawsuit, on June 16, 2023, Ascentcare Dental rejected Solmetex's assertion of infringement regarding their VacuLUX isolation mouthpieces, stating that their products did not infringe any valid and enforceable Solmetex patents. Ascentcare also questioned the validity and enforceability of Solmetex's patents.
Filing & Initial Pleadings (District Court): Solmetex, LLC filed a patent infringement lawsuit against Ascentcare Dental Products, Inc., asserting infringement of ten patents, including U.S. Patent No. 11,744,686, among others such as U.S. Patent Nos. 11,589,969, 11,589,970, 12,011,329, 12,290,418, 11,826,217, 12,167,948, D962,438, D962,439, and D1,037,436. The case number is 1:24-cv-00954-RJJ-MV. Ascentcare filed an answer including numerous affirmative defenses.
Pre-trial Motions of Substance (District Court):
- Motion to Stay Pending IPR: Ascentcare filed a motion to stay the litigation until the Patent Trial and Appeal Board (PTAB) decided whether to institute Inter Partes Reviews (IPRs) against the asserted patents. Ascentcare informed the district court that it had filed seven petitions for IPR and post-grant review (PGR) with the PTAB, one for each utility patent asserted by Solmetex. Ascentcare argued that the PTAB was a more efficient venue to address the validity of Solmetex's patent claims and that the petitions would likely result in many, if not all, asserted claims being invalidated.
Parallel PTAB IPR/PGR Proceedings (Filed by Ascentcare against Solmetex): Ascentcare Dental Products, Inc. filed multiple IPR petitions challenging Solmetex's patents asserted in the district court litigation. These include:
- IPR2025-01020, filed May 19, 2025, challenging a patent owned by Solmetex, LLC.
- IPR2025-01104 and IPR2025-01175, also filed by Ascentcare Dental Products, Inc. against Solmetex, LLC.
- On October 17, 2025, the Deputy Director of the USPTO issued a decision in IPR2025-01104 and IPR2025-01175, denying Solmetex's request for discretionary denial of institution. The Deputy Director found that discretionary denial was not appropriate, noting that while there was a parallel district court proceeding, it was unclear if a final written decision from the PTAB would issue after the district court trial. The decision also highlighted that the challenged patents issued recently (2024 and 2025) and that Ascentcare provided persuasive reasoning suggesting the Office materially erred during prosecution.
Claim Construction (Markman) (District Court): Ascentcare has provided proposed claim constructions for the asserted patents, including U.S. Patent No. 11,744,686, as per the court's First Case Management Order. This indicates the case has reached the claim construction stage.
Current Posture: The district court litigation, Solmetex, LLC v. Ascentcare Dental Products, Inc., Case No. 1:24-cv-00954-RJJ-MV, is active and has progressed to the claim construction phase, with Ascentcare having submitted proposed claim constructions. Ascentcare's motion to stay pending IPRs was filed, and the PTAB has issued decisions regarding institution for some of the IPRs filed by Ascentcare, denying discretionary denial of institution for at least IPR2025-01104 and IPR2025-01175. The IPR IPR2025-01059 filed by Unified Patents against Ascentcare was not instituted procedurally.
Plaintiff representatives
Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
Unified Patents often leverages a combination of in-house counsel and outside law firms for its Inter Partes Review (IPR) petitions. However, specific counsel of record for IPR2025-01059, Unified Patents v. Ascentcare Dental Products, Inc., is not explicitly detailed in publicly available search results. The case was "Not Instituted - Procedural," which may limit the public record of detailed legal representation compared to a case that proceeds further into the IPR process.
Based on general information regarding Unified Patents' operations and counsel appearing in other IPRs and reexamination proceedings, the following individuals and firms are known to represent Unified Patents:
In-House Counsel (Unified Patents, Washington, D.C.)
Unified Patents employs a team of in-house counsel who are frequently involved in their IPR and reexamination filings. These individuals typically serve in a lead counsel capacity for Unified Patents as an entity.
- Jonathan Stroud (Chief IP Counsel, Unified Patents)
- Firm: Unified Patents, Washington, D.C.
- Experience: Jonathan Stroud is frequently listed as in-house counsel for Unified Patents in various IPR proceedings.
- Roshan Mansinghani (Legal Head-NPE, Unified Patents)
- Firm: Unified Patents, Washington, D.C.
- Experience: Roshan Mansinghani is also listed as in-house counsel for Unified Patents in other IPR proceedings.
- Jenn Bisk (Senior Patent Counsel, Unified Patents)
- Firm: Unified Patents, Washington, D.C.
- Experience: As Senior Patent Counsel, Jenn Bisk is part of Unified Patents' legal team involved in patent challenges.
- Kyla Butler (Senior Patent Counsel, Unified Patents)
- Firm: Unified Patents, Washington, D.C.
- Experience: Kyla Butler has been noted as in-house counsel representing Unified Patents in ex parte reexamination proceedings.
- Elaine Chow (Director of Patent Analytics, Unified Patents)
- Firm: Unified Patents, Washington, D.C.
- Experience: Elaine Chow is part of the Unified Patents team with a focus on patent analytics, which informs their challenge strategies.
- Jennifer Gallagher (Unified Patents)
- Firm: Unified Patents, Washington, D.C.
- Experience: Jennifer Gallagher has been mentioned in connection with Unified Patents' patent challenge activities.
Outside Counsel
Unified Patents also regularly engages various outside law firms for their IPR petitions. While the specific firm for IPR2025-01059 is not identified, firms that have represented Unified Patents in other IPR matters include:
- Baker Botts, L.L.P.
- Office Location: For example, Austin, TX.
- Experience: Baker Botts has represented Unified Patents in IPR proceedings, with attorneys such as Brian W. Oaks being named in prior cases.
- Haynes and Boone
- Experience: Attorneys like Jon Bowser, Angela Oliver, Michael McCarty, and Matt Beck (now at Unified Patents) from Haynes and Boone have represented Unified Patents in past IPRs.
- Covington & Burling LLP
- Experience: This firm has also appeared as counsel for petitioners in IPRs tracked by Unified Patents.
Without direct access to the docket entries for IPR2025-01059, a definitive list of the specific attorneys and their firms for this particular "Not Instituted - Procedural" case cannot be provided.
Defendant representatives
Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
Ascentcare Dental Products, Inc., as the defendant (Patent Owner) in IPR2025-01059, does not have its counsel of record readily identifiable through public web searches of PTAB dockets or related legal news for this specific, non-instituted proceeding. The status of "Not Instituted - Procedural" often means that extensive appearances or filings detailing the Patent Owner's counsel may not have been required or made public.
While Ascentcare Dental Products, Inc. has been involved in other PTAB proceedings as a petitioner against Solmetex LLC (e.g., IPR2025-01104, IPR2025-01057), and in district court litigation as a defendant (e.g., Solmetex, LLC v. Ascentcare Dental Products, Inc. in the Western District of Michigan, where Solmetex asserts patent 11,744,686, among others), the attorneys representing them in those capacities are not confirmed to be representing them as the Patent Owner in IPR2025-01059.
Due to the procedural termination of IPR2025-01059 before institution, detailed counsel information for Ascentcare Dental Products, Inc. as the Patent Owner is not publicly available in the search results.