Prosecution Insights
Last updated: April 19, 2026
Application No. 19/075,143

NEURAL INTERFACE TECHNOLOGY FOR COMMUNICATING WITH CLINICALLY UNRESPONSIVE PATIENTS

Non-Final OA §101§103
Filed
Mar 10, 2025
Examiner
BAIG, RUMAISA RASHID
Art Unit
3796
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Precision Neuroscience Corporation
OA Round
3 (Non-Final)
23%
Grant Probability
At Risk
3-4
OA Rounds
3y 5m
To Grant
56%
With Interview

Examiner Intelligence

Grants only 23% of cases
23%
Career Allow Rate
8 granted / 35 resolved
-47.1% vs TC avg
Strong +33% interview lift
Without
With
+33.3%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
49 currently pending
Career history
84
Total Applications
across all art units

Statute-Specific Performance

§101
15.4%
-24.6% vs TC avg
§103
44.9%
+4.9% vs TC avg
§102
20.0%
-20.0% vs TC avg
§112
19.0%
-21.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 35 resolved cases

Office Action

§101 §103
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 12/16/2025 has been entered. Response to Arguments Applicant’s arguments filed 12/16/2025 have been fully considered but are moot in view of a new grounds of rejection. Claim Rejections - 35 USC § 101 35 U.S.C. 101 reads as follows: Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title. Claims 1-12 are rejected under 35 U.S.C. 101 because the claimed invention is directed to a judicial exception, specifically an abstract idea without significantly more. Step 1: Independent claims 1, 7, and 12 are directed a computer implemented method, computer-implemented method, and a system for communicating with a patient that is clinically unresponsive via a cortical interface device, respectively. Thus, they are directed to statutory categories of invention. Step 2A, Prong 1: Claims 1, 7, and 12 recite the following claim limitations which are directed to abstract ideas, specifically organizing human activity, mathematical concepts, and mental processes (see MPEP § 2106.04(a)(2)): In re claim 1: guiding the patient through a training exercise while recording first brain signals via the cortical interface device (organizing human activity by guiding patient through an activity) determining, based on the recorded first brain signals indicating the motor cortex responding to the training exercise, that the patient cognitive motor dissociation (CMD) (mental process – person can look at the brain signals and decide that a patient in a coma is conscious) training a machine learning model on the recorded first brain signals to decode whether the patient is imagining performance of an action (mathematical concepts – training machine learning requires mathematical functions and relationships, see Applicant’s specification: [0043-0045]: decoding involves linear classifiers, support vector machines, or artificial neural networks) instructing the patient to imagine performing a motor function (organizing human activity – person communicating with patient based on results) communicating with the patient based on the results of the decoded second brain signals (organizing human activity – person communicates with a patient based on results). In re claim 7, see above. In re claim 12, see above. These limitations, under their broadest reasonable interpretation, cover concepts that can be practically performed in the human mind, as well as concepts that involve organizing human activity and mathematical concepts. Therefore, the claim limitations fall within the mental processes and organizing human activity groupings of abstract ideas.  Step 2A, Prong 2: Claims 1, 7 and 12 recite the following additional elements: In re claim 1, implanting the cortical interface device at a region of a motor cortex of the patient; initiating decoding of the recorded brain signals via the machine learning model; determining the performance of the machine learning model is greater than a threshold; recording, via the cortical interface device, second brain signals; initiating decoding of the second brain signals via the machine learning model In re claim 7, see above as well as the following limitations: the cortical interface comprising an electrode array for recording neural signals from the cortical surface a computer system In re claim 12, see above as well as the following limitations: a computer system communicably coupled to the cortical interface, the computer system comprising a user interface, a processor, and a memory, the memory storing instructions that The following limitations: implanting the cortical interface device at a region of a motor cortex of the patient; initiating decoding of the recorded brain signals via the machine learning model; determining the performance of the machine learning model is greater than a threshold; recording, via the cortical interface device, second brain signals; initiating decoding of the second brain signals via the machine learning model the cortical interface comprising an electrode array for recording neural signals from the cortical surface a computer system communicably coupled to the cortical interface, are pre-solution activities (see MPEP 2106.05(g)), because they’re used to obtain additional information used to communicate with the patient. Further, there is no evidence of record that would support the assertion that this step is an improvement to a computer or a technological solution to a technological problem. Regarding the limitation, “communicating with the patient based on the results of the decoded second brain signals”, although Examiner asserts that the recited limitation is directed to an abstract idea (see above), for the sake of argument, Examiner asserts that the above limitations would not integrate the abstract ideas into a practical application. For instance, the limitations are not particular and instead provide instructions to apply the exception in a generic way (see factor ‘a’ in MPEP §2106.04(d)(2)). There is nothing in the claim which shows how communicating with the patient based on decoded brain signals particularly and specifically treats a particular disorder, or integrates the abstract idea into a practical application. Furthermore, under broadest reasonable interpretation, “communicating” is interpreted as moving information around. Additionally, the above recited claims’ recitation of a machine learning model and a computer system comprising a user interface, a processor, and a memory that stores instructions are merely reciting the computer components at a high-level of generality. In other words, the computer components are being used as a tool to carry out the system’s functions (See MPEP 2106.05(f)). Thus, the abstract idea is not integrated into a practical application. The combination of these additional elements is no more than insignificant extra solution activity, and generic computer components. Accordingly, even in combination, these additional elements do not integrate the abstract idea into a practical application. The claim is directed to an abstract idea. Step 2B: The claim does not include additional elements that are sufficient to amount to significantly more than the judicial exception.  As discussed with respect to Step 2A Prong Two, the additional elements in the claim amount to no more than insignificant extra solution activity and generic computer components. The same analysis applies here in 2B and does not provide an inventive concept. Therefore, none of the claims 1-16 amount to significantly more than the abstract idea itself. Accordingly, claims 1-16 are not patent eligible and rejected under 35 U.S.C. 101 as being directed to abstract ideas implemented on a generic computer in view of the Supreme Court Decision in Alice Corporation Pty. Ltd. v. CLS Bank International, et al. and 2019 PEG. Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention. Claims 1-3 and 5-16 are rejected under 35 U.S.C. 103 as being unpatentable over Colachis et al. US 2023/0062326) in view of NPL “Cognitive motor dissociation to predict time to functional recovery in patients with acute brain injury” (hereinafter referred to as “Egbebike”). In re claim 1, Colachis discloses a method [0007] for communicating with a patient that is clinically unresponsive ([0021]: patient unable to control his or her own muscles) via a cortical interface device [0019], the method comprising: implanting the cortical interface device at a region of a motor cortex of the patient ([0043]: implanted electrodes measure neural activity; [0019]: cortical implant; [0022]: rebuilds motor cortex); guiding the patient through a training exercise ([0027]: instructions for performing sequence of actions; [0025]: CNN used during training to identify when promoted action is complete) while recording first brain signals via the cortical interface device ([0031]: EEG electrodes from a skullcap measure brain neural activity measurement and acquire EEG signals; [0019]); determining, based on the recorded first brain signals indicating the motor cortex responding to the training exercise, that the patient is imagining performing an action ([0034]: brain neural activity is used to determine intent of an action), training a machine learning model [0025] on the recorded first brain signals to decode whether the patient is imagining performance of an action ([0034]: brain neural activity measured to determine intent to manipulate an object; [0043]: machine learning receives brain neural activity from surface electrodes of the skullcap and decodes an intended action; [0048]); initiating decoding of the recorded brain signals [0019] via the machine learning model [0043]; determining the performance of the machine learning model is greater than a threshold ([0043]: machine learning model is cable of decoding the intended action, i.e. it must exhibit at least a threshold performance in decoding); instructing the patient to imagine performing a motor function ([0027]: providing instructions requires person P to imagine performing a motor function; [0019]: intended movement must be imagined); recording, via the cortical interface device, second brain signals ([0024]: closed loop rehabilitation training platform is used which would provide second brain signals); initiating decoding of the second brain signals via the machine learning model (([0024]: closed loop rehabilitation training platform would result in the second brain signals being decoded via the machine learning model); and communicating with the patient based on the results of the decoded second brain signals ([0019]: FES is delivered to effectively implement the intended movement; [0024]: closed-loop rehabilitation training platform). Colachis fails to disclose determining, based on the recorded first brain signals indicating the motor cortex responding to the training exercise, that the patient has cognitive motor dissociation (CMD). Egbebike teaches predicting time to recovery in acutely brain injured patients (pg. 1: Background, lines 1-4) and teaches providing spoken commands to patients with brain injury (pg. 9, Recovery trajectory, lines 1-11), and that CMD diagnosis is provided (pg. 9, Recovery trajectory, lines 1-11) using machine learning applied to EEG recordings (pg. 1, Summary, lines 1-10). Egbebike further teaches that diagnosis of CMD provides more precise counseling for families of unresponsive patients (pg. 2, Interpretation, lines 1-4; pg. 2) and identifies patients that benefit from rehabilitation (pg. 2, Interpretation, lines 1-4; pg. 2, Findings, lines 1-7). It would have been obvious to someone of ordinary skill in the art at the time the instant invention was filed to modify the method for communicating with a patient that is clinically unresponsive taught by Colachis, to provide determining, based on the recorded first brain signals indicating the motor cortex responding to the training exercise, that the patient has cognitive motor dissociation (CMD), as taught by Egbebike, because CMD diagnosis provides more precise counseling for families of unresponsive patients and identifies patients that benefit from rehabilitation. In re claim 2, the proposed combination yields (all mapping directed to Colachis unless otherwise stated) further comprising: determining, based on the recorded brain signals, that the motor cortex of the patient is responding to the training exercise ([0034]: brain neural activity is decoded to determine intent to manipulate object). In re claim 3, the proposed combination yields (all mapping directed to Colachis unless otherwise stated) wherein the cortical interface device is a first cortical interface device ([0007]: first subset of electrodes) and the region of the motor cortex is a first region of the motor cortex ([0007]: position where first subset of electrodes are placed), the method further comprising: placing a second cortical interface device ([0007]: second subset of electrodes) at a second region of the motor cortex of the patient ([0007]: position where second subset of electrodes are placed). In re claim 5, the proposed combination yields (all mapping directed to Colachis unless otherwise stated) wherein the motor function comprises squeezing a hand ([0023]: intended action may be grabbing an object i.e. squeezing a hand) or throwing an object. In re claim 6, the proposed combination yields (all mapping directed to Colachis unless otherwise stated) wherein the motor function is associated with a binary response ([0019]: binary response is whether there is an intended action or not; [0034]). In re claim 7, the proposed combination yields (all mapping directed to Colachis unless otherwise stated) a computer-implemented method [0027] for communicating with a patient that is clinically unresponsive using a cortical interface device surgically implanted adjacent to a motor cortex at a cortical surface of the patient (see in re claim 1 above), the cortical interface (see in re claim 1 above) comprising an electrode array [0019] for recording neural signals from the cortical surface ([0019]: electrodes measure neural signals and cortical implant can be used; [0043]: implanted electrodes can be used; [0031]), the method comprising: receiving, by a computer system, first brain signals from the cortical interface device [0043], wherein the first brain signals correspond to an action being imagined by the patient (see in re claim 1 above), wherein the action corresponds to the motor cortex [0022]; training, by the computer system, a machine learning model [0025] on the received first brain signals to decode the action ([0034]: brain neural activity measured to determine intent to manipulate an object; [0043]: machine learning used to receive brain neural activity and decode an intended action; [0048]); initiating decoding of the recorded first brain signals via the machine learning model (see in re claim 1 above); determining, by the computer system, whether the trained machine learning model exhibits at least a threshold performance in decoding the action ([0043]: machine learning model is cable of decoding the intended action, i.e. it must exhibit at least a threshold performance in decoding); record, via the cortical interface device, second brain signals (see in re claim 1 above) initiating decoding of the recorded first brain signals via the machine learning model (see in re claim 1 above); in response to the trained machine learning model exhibiting at least the threshold performance, indicating, by the computer system, via a user interface ([0029]: user interface is combination of electrical stimulation and determination 36 of NES stimulation pattern, which communicates with a user [0033]; [0023]: stimulation adjusted based on sensor feedback), whether the patient is imagining the action based on the decoded second brain signals ([0006]: stimulation pattern is applied to cause body part to perform the intended action, therefore the stimulation pattern being applied means the patient must imagine the action). Regarding the limitations, “determining, by the computer system, that the patient has cognitive motor dissociation (CMD) based on the correspondence of the first brain signals and the action”, see the proposed combination yielded in re claim 1 above. In re claim 8, the proposed combination yields (all mapping directed to Colachis unless otherwise stated) wherein the training, by the computer system, the machine learning model on the received brain signals to decode the action comprises transfer learning ([0048]: determining hand-object relationship may partially rely on CNN i.e. transfer learning that is trained to detect the person’s hand; [0034]: brain neural activity may be decoded to determine intent). In re claim 9, regarding the limitations, “wherein the cortical interface device is a first cortical interface device, the region of the motor cortex is a first region of the motor cortex, and the brain signals are first brain signals, the computer-implemented method further comprising: receiving second brain signals from a second cortical interface device at a second region of the motor cortex of the patient”, see in re claim 3 above. In re claim 10, regarding the limitations, “wherein the action comprises squeezing a hand or throwing an object”, see in re claim 5 above. In re claim 11, regarding the limitations, “wherein the action is associated with a binary response”, see in re claim 6 above. In re claim 12, Colachis discloses a system [0006] for communicating with a patient that is clinically unresponsive (see in re claim 1 above), the system comprising: a cortical interface device to be surgically implanted at a motor cortex at a cortical surface of the patient (see in re claim 1 above), the cortical interface comprising an electrode array for recording neural signals from the cortical surface (see in re claim 7 above); and a computer system [0066] communicably coupled to the cortical interface ([0066]: non-transitory storage medium performs action 40; [0034]: operation 40 involves determining intent to manipulate the object; [0019]), the computer system comprising a user interface (see in re claim 7 above), a processor [0033, 0040], and a memory [0066]. Regarding the limitations, “the memory storing instructions that, when executed by the processor, cause the computer system to: receive first brain signals from the cortical interface device, wherein the first brain signals correspond to an action being imagined by the patient, wherein the action corresponds to the motor cortex; determining, by the computer system, that the patient has cognitive motor dissociation (CMD) based on the correspondence of the first brain signals and the action; train a machine learning model on the received first brain signals to decode the action; initiate decoding of the recorded first brain signals via the machine learning model; determine whether the trained machine learning model exhibits at least a threshold performance in decoding the action; and record, via the cortical interface device, second brain signals; initiating decoding of the second brain signals via the machine learning model in response to the trained machine learning model exhibiting at least the threshold performance, indicate, via the user interface, whether the patient is imagining the action based on the decoded second brain signals”, see in re claim 7 above. In re claim 13, Colachis discloses wherein the machine learning model comprises a convolutional neural network ([0025]: CNN used during training to identify when promoted action is complete; [0046]: weighted combination of intent from neural activity decoding and gaze tracking can be combined to determine intent; [0048]). In re claim 14, regarding the limitations, “wherein the cortical interface device is a first cortical interface device implanted at a first region of the motor cortex, the system further comprising: a second cortical interface device to be surgically implanted at a second region of the motor cortex of the patient”, see in re claim 3 above. In re claim 15, regarding the limitations, “wherein the action comprises squeezing a hand or throwing an object”, see in re claim 5 above. In re claim 16, regarding the limitations, “wherein the action is associated with a binary response”, see in re claim 6 above. Claim 4 is rejected under 35 U.S.C. 103 as being unpatentable over Colachis et al. US 2023/0062326) in view of NPL “Cognitive motor dissociation to predict time to functional recovery in patients with acute brain injury” (hereinafter referred to as “Egbebike”) in view of Mercanzini et al. (US 2012/0277834). In re claim 4, the proposed combination fails to yield further comprising: removing the cortical interface device within thirty days of placement. Mercanzini teaches an analogous cortical interface device [0005], and teaches further comprising: removing the cortical interface device within thirty days of placement [0006]. Mercanzini further teaches that the cortical electrode array may be removed when it is no longer required [0006], specifically when it is used as a diagnostic tool for recording and stimulation [0006]. It would have been obvious to someone of ordinary skill in the art at the time the instant invention was filed to modify the method for communicating with a patient that is clinically unresponsive yielded by the proposed combination, to provide removing the cortical interface device within thirty days of placement, as taught by Mercanzini, because the cortical interface device may be removed when it is no longer required, specifically when it is used as a diagnostic tool for recording and stimulation. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant’s disclosure: Bickford et al. (US 2018/0092557) discloses diagnosing locked-in syndrome [0025]. Linderman et al. (US 2012/0172682) discloses sensing EMG and EEG signals (abstract), and teaches diagnosing locked-in syndrome [0165]. Contact Any inquiry concerning this communication or earlier communications from the examiner should be directed to RUMAISA R BAIG whose telephone number is (571)270-0175. The examiner can normally be reached Mon-Fri: 8am- 5pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, David Hamaoui can be reached at (571) 270-5625. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /RUMAISA RASHID BAIG/Examiner, Art Unit 3796 /DAVID HAMAOUI/SPE, Art Unit 3796
Read full office action

Prosecution Timeline

Mar 10, 2025
Application Filed
May 12, 2025
Non-Final Rejection — §101, §103
Aug 18, 2025
Response Filed
Sep 06, 2025
Final Rejection — §101, §103
Dec 01, 2025
Interview Requested
Dec 16, 2025
Applicant Interview (Telephonic)
Dec 16, 2025
Request for Continued Examination
Dec 27, 2025
Examiner Interview Summary
Jan 27, 2026
Response after Non-Final Action
Feb 09, 2026
Non-Final Rejection — §101, §103 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
23%
Grant Probability
56%
With Interview (+33.3%)
3y 5m
Median Time to Grant
High
PTA Risk
Based on 35 resolved cases by this examiner. Grant probability derived from career allow rate.

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