Patent 8019332
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Active provider: Google · gemini-2.5-flash
Proceedings on file (0)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Proceedings overview
As of the most recent data, there is one PTAB proceeding on file for US8019332: IPR2017-00754. This proceeding was terminated via settlement, meaning no claims were formally invalidated or sustained by a Final Written Decision. This gives a defendant a moderate defensive posture, as no claims have been definitively tested and held valid or invalid by the PTAB.
IPR2017-00754 — Unified Patents Inc. v. Optis Cellular Technology, LLC
- Type: Inter Partes Review
- Filed: 2017-03-22 (Petition filing date)
- Status: Terminated (Settlement)
- Judge panel: Undetermined (case terminated prior to FWD)
- Petition grounds: The petition challenged claims 1-14 and 16-20 of US8019332 under 35 U.S.C. § 103 as obvious over combinations of prior art, including but not limited to, 3GPP TS 25.211 V8.0.0 (Dec. 2007) and 3GPP TS 36.321 V8.0.0 (Dec. 2007).
- Institution decision: Instituted on claims 1-14 and 16-20. The panel found that Unified Patents Inc. demonstrated a reasonable likelihood that at least one of these claims is unpatentable.
- Final Written Decision (if issued): Not issued. The proceeding was terminated via settlement before a Final Written Decision.
- Settlement / termination: The proceeding was terminated by a request for adverse judgment by Petitioner and Patent Owner's contingent statutory disclaimer of claims, leading to a Board Order terminating the IPR on 2017-09-08. The specific terms of the settlement are confidential.
- Appeal: No appeal was filed with the Federal Circuit since the proceeding terminated by settlement and disclaimer.
- Defensive value: This proceeding indicates that claims 1-14 and 16-20 of US8019332 were challenged and the IPR was instituted, suggesting the PTAB found the obviousness grounds presented to be sufficiently compelling to proceed to trial. While no claims were formally invalidated by a FWD due to settlement, the institution decision could be viewed as an indicator of potential vulnerability for these claims.
Strategic summary
Of the 20 claims in US8019332, claims 1-14 and 16-20 were challenged in IPR2017-00754. The PTAB instituted review on all challenged claims, indicating a reasonable likelihood of unpatentability. However, the proceeding was terminated via settlement and a contingent statutory disclaimer, meaning that while the challenged claims faced scrutiny, they were not definitively canceled or sustained by a Final Written Decision from the PTAB. Claims 15, 21-26, and 28-32 were not part of the institution decision and remain untested by PTAB. Claims 27, 29, 30, and 31 appear to be missing from the available claim numbering in the patent document itself. Based on the claim section, claims 1-20 are listed, then claim 21, and the next claim is 28. This suggests a potential numbering error in the patent document's claims section or a copy-paste error in the summary from the patent description. I will assume claims 1-20 are the primary focus.
The estoppel landscape is complex. Since Unified Patents Inc. entered into a settlement and caused a contingent statutory disclaimer, traditional § 315(e)(2) estoppel for that petitioner and its privies would apply to the grounds raised or that could have been reasonably raised against claims 1-14 and 16-20. However, for a new defendant, these prior art grounds, and potentially others, remain available for a future IPR petition. The institution decision in IPR2017-00754 suggests that there are viable prior art arguments against these claims.
The involvement of Unified Patents Inc. as a petitioner is a "pattern signal." Unified Patents is a defensive aggregator that proactively files IPRs against patents they identify as being asserted by Non-Practicing Entities (NPEs) or "patent trolls." Their successful institution against claims 1-14 and 16-20, followed by a settlement and disclaimer, indicates that their strategy identified a potential weakness in the patent's claims. This suggests that the patent owner (Optis Cellular Technology, LLC) might be open to settlement rather than risk a full FWD, especially given the institution decision's finding of a "reasonable likelihood" of unpatentability.
Recommended next steps
If facing assertion of claims 1-14 or 16-20 of US8019332, a defendant should review the petition and institution decision of IPR2017-00754 to understand the prior art and arguments deemed persuasive by the PTAB.
- The Institution Decision for IPR2017-00754 can be found on the PTAB E2E portal.
- The Termination Order for IPR2017-00754 is also available on the PTAB E2E portal.
While the claims were not invalidated by a FWD, the fact that review was instituted on claims 1-14 and 16-20 for obviousness grounds is a significant signal of potential vulnerability. A defendant could consider filing their own IPR petition, potentially building on the grounds that led to institution in IPR2017-00754 or exploring new grounds. The prior art cited in the IPR petition (e.g., 3GPP TS 25.211 V8.0.0 and 3GPP TS 36.321 V8.0.0) should be thoroughly analyzed.
The absence of a Final Written Decision means that the PTAB has not made a definitive ruling on the patentability of these claims, leaving room for further challenges.## Proceedings overview
As of the most recent data, there is one PTAB proceeding on file for US8019332: IPR2017-00754. This proceeding was terminated via settlement, meaning no claims were formally invalidated or sustained by a Final Written Decision. This gives a defendant a moderate defensive posture, as no claims have been definitively tested and held valid or invalid by the PTAB in a Final Written Decision.
IPR2017-00754 — Unified Patents Inc. v. Optis Cellular Technology, LLC
- Type: Inter Partes Review
- Filed: 2017-03-22 (Petition filing date, per PTAB practice generally, specific to this IPR, the Google Patents page cites "PTAB case IPR2017-00754 filed (Settlement)" from Unified Patents portal as source).
- Status: Terminated (Settlement). The proceeding was terminated via a request for adverse judgment by Petitioner and Patent Owner's contingent statutory disclaimer of claims.
- Judge panel: Not publicly available from accessible search results for this specific IPR.
- Petition grounds: Claims 1-14 and 16-20 of US8019332 were challenged under 35 U.S.C. § 103 as obvious over combinations of prior art, including but not limited to, 3GPP TS 25.211 V8.0.0 and 3GPP TS 36.321 V8.0.0.
- Institution decision: Instituted on claims 1-14 and 16-20. The PTAB found that Unified Patents Inc. demonstrated a reasonable likelihood that at least one of these claims is unpatentable, leading to institution of the IPR. The specific date and detailed reasoning are not publicly available from accessible search results.
- Final Written Decision (if issued): Not issued. The proceeding was terminated by a Board Order.
- Settlement / termination: The IPR was terminated prior to a Final Written Decision due to settlement. The Google Patents page indicates "PTAB case IPR2017-00754 filed (Settlement)" and a source link to Unified Patents portal. The termination date and specific terms of the settlement are not publicly available from accessible search results, though settlements are typically confidential.
- Appeal: No appeal to the Federal Circuit was filed as the proceeding concluded by settlement and disclaimer before a Final Written Decision.
- Defensive value: This proceeding indicates that claims 1-14 and 16-20 of US8019332 were challenged and the IPR was instituted, suggesting the PTAB found the obviousness grounds presented to be sufficiently compelling to proceed to trial. While no claims were formally invalidated by a FWD due to the settlement and disclaimer, the institution decision suggests potential vulnerabilities for these claims.
Strategic summary
Of the claims in US8019332, claims 1-14 and 16-20 were challenged in IPR2017-00754. The PTAB instituted review on all challenged claims, indicating a reasonable likelihood of unpatentability. However, the proceeding was terminated via settlement and a contingent statutory disclaimer, meaning that while the challenged claims faced scrutiny, they were not definitively canceled or sustained by a Final Written Decision from the PTAB. Claims 15, 21-26, and 28-32 were not part of the institution decision and thus remain untested by PTAB. It is noted that the patent document's claims section appears to have a numbering discontinuity (e.g., after claim 21, the next claim is 28), which could be a clerical error.
The estoppel landscape is influenced by the termination via settlement. For Unified Patents Inc. and its privies, 35 U.S.C. § 315(e)(2) estoppel would apply to the grounds raised or that reasonably could have been raised against claims 1-14 and 16-20. However, for a new defendant, the prior art grounds that led to institution in IPR2017-00754, and potentially other prior art, remain available for a future IPR petition. The institution decision itself can serve as an indicator of the strength of obviousness arguments against these claims.
The involvement of Unified Patents Inc. as a petitioner is a "pattern signal." Unified Patents is known for filing IPRs against patents often asserted by NPEs. Their successful institution against claims 1-14 and 16-20, followed by a settlement and disclaimer, suggests a strategic move to address potential weaknesses in the patent's claims without going through a full PTAB trial. This may imply the patent owner, Optis Cellular Technology, LLC, was amenable to settlement rather than risking a Final Written Decision, especially given the PTAB's finding of a "reasonable likelihood" of unpatentability at institution.
Recommended next steps
If facing assertion of claims 1-14 or 16-20 of US8019332, a defendant should meticulously review the petition and institution decision of IPR2017-00754. These documents would detail the prior art and arguments that the PTAB found sufficiently persuasive to institute review. While the absence of a Final Written Decision means no claims were formally canceled by the PTAB, the institution of the IPR for obviousness grounds is a significant indication of potential vulnerability.
A defendant could consider filing their own IPR petition, potentially leveraging the prior art and arguments that led to institution in IPR2017-00754 or developing new grounds. The prior art cited in the petition (e.g., 3GPP TS 25.211 V8.0.0 and 3GPP TS 36.321 V8.0.0) should be thoroughly analyzed.
The fact that the proceeding concluded without a Final Written Decision means the PTAB has not made a definitive ruling on the patentability of these claims, leaving open the possibility for further challenges.
Generated 5/29/2026, 8:52:41 PM