Prosecution Insights
Last updated: July 17, 2026
Application No. 18/760,227

Non-Invasive Venous Waveform Analysis For Evaluating A Subject

Final Rejection §101
Filed
Jul 01, 2024
Priority
Sep 06, 2018 — provisional 62/727,735 +2 more
Examiner
LAU, MICHAEL J
Art Unit
3796
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Vanderbilt University
OA Round
2 (Final)
71%
Grant Probability
Favorable
3-4
OA Rounds
10m
Est. Remaining
95%
With Interview

Examiner Intelligence

Grants 71% — above average
71%
Career Allowance Rate
218 granted / 308 resolved
+0.8% vs TC avg
Strong +24% interview lift
Without
With
+24.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 10m
Avg Prosecution
38 currently pending
Career history
349
Total Applications
across all art units

Statute-Specific Performance

§101
7.1%
-32.9% vs TC avg
§103
88.3%
+48.3% vs TC avg
§102
1.7%
-38.3% vs TC avg
§112
0.9%
-39.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 308 resolved cases

Office Action

§101
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 . Response to Arguments Applicant’s arguments and amendments regarding the double patenting rejection, see page 8, filed 2/27/2026, with respect to claims 1-20 have been fully considered and are persuasive. The double patent rejection of claims 1-20 has been withdrawn. Applicant's arguments amendments regarding the 101 rejection filed 7/27/2026 have been fully considered but they are not persuasive. The Applicant argued that the obtaining a power spectral density is not a mental process and is an improvement to the technical field for separating frequencies. The Examiner respectfully disagrees. The claims recite generating a signal representing vibrations and obtaining a power spectral density, which are extrasolution activities of data collection (see MPEP 2106.05(g)). It is well-known in the art that a person of ordinary skill in the art can perform a Fourier transform (obtaining a power spectral density) using pen and paper. The power spectral density, by definition, separates the signal by frequency, which a person could analyze and make determinations about the observed data. The Examiner recommends adding more nonconventional limitations and/or a specific treatment step. The 101 rejection is maintained below. 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 1-20 are rejected under 35 U.S.C. 101 because of the following analysis: Step 1: Do the claims recite one of the statutory categories of matter (i.e. method, apparatus, etc.)? YES, claims 1-10 recite a method and claims 11-20 recite an apparatus. Step 2A Prong 1: Is there an abstract idea involved? YES, the claim language recites a piezoelectric sensor and a processor obtaining a power spectral density of the signal; determining a respiration rate of the subject by identifying a lowest frequency of the power spectral density at which a peak exceeding a predetermined power threshold exists; using the respiration rate as a basis for selecting a portion of the signal; determining a heart rate variability of the subject using the portion of the signal; and evaluating a parasympathetic nervous system response of the subject based on the heart rate variability. These limitations, as drafted, is a process that, under its broadest reasonable interpretation, covers performance of the limitation in mind or by a person using a pen and paper. Step 2a Prong 2: Do the claims recite additional elements that integrate the exception into a practical application? NO, the claims do not include additional elements that are sufficient to amount to significantly more than the judicial exception because the additional elements when considered both individually and as an ordered combination do not amount to significantly more than the abstract idea. The processor and piezoelectric sensor are recited at a high level of generality and is recited as performing generic computer functions. i.e., data processing and display. The piezoelectric sensor and the collection of data, including obtaining a power spectral density, are generically recited to amount to nothing more than an insignificant extrasolution activity (see MPEP 2106.05(g)). The elements amount to mere instructions to implement an abstract idea on a computer, or merely uses a computer as a tool to perform an abstract idea (see MPEP 2106.04(d) and 2106.05(f)). Accordingly, each of the additional elements do not integrate the abstract idea into a practical application because they do not impose any meaningful limitations on practicing the abstract idea. The respective dependent claims recite limitations that merely further limit the abstract idea, therefore they are also rejected. Step 2B: Do the additional elements amount to “Significantly More” than the judicial exception? NO, The emphasized elements cited above do not amount to significantly more than the judicial exception because these limitations are simply appending well-understood, routine and conventional activities previously known in the industry, specified at a high level of generality, to the judicial exception, e.g., a claim to an abstract idea requiring no more than a generic computer to perform generic computer functions that are well-understood, routine and conventional activities previously known in the industry (see Electric Power Group, 830 F.3d 1350 (Fed. Cir. 2016); Alice Corp. v. CLS Bank Int’I, 110 USPQ2d 1976 (2014)). In view of the above, the additional elements individually do not amount to significantly more than the above-judicial exception (the abstract idea). Looking at the limitations as an ordered combination (that is, as a whole) adds nothing that is not already present when looking at the elements taken individually. There is no indication that the combination of elements improves the functioning of a computer, for example, or improves any other technology. There is no indication that the combination of elements permits automation of specific tasks that previously could not be automated. There is no indication that the combination of elements includes a particular solution to a computer-based problem or a particular way to achieve a desired computer-based outcome. Rather, the collective functions of the claimed invention merely provide conventional computer implementation, i.e., the computer is simply a tool to perform the process. Simply appending well-understood, routine, conventional activities previously known to the industry, specified at a high level of generality, to the judicial exception, e.g., a claim to an abstract idea requiring no more than a generic computer to perform generic computer functions that are well-understood, routine and conventional activities previously known to the industry, as discussed in Alice Corp., 573 U.S. at 225, 110 USPQ2d at 1984 (see MPEP § 2106.05(d)). Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to MICHAEL J LAU whose telephone number is (571)272-2317. The examiner can normally be reached 8-5:30 PM. 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, Carl Layno can be reached at 571-272-4949. 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. /MICHAEL J LAU/Examiner, Art Unit 3796
Read full office action

Prosecution Timeline

Jul 01, 2024
Application Filed
Nov 03, 2025
Non-Final Rejection mailed — §101
Feb 27, 2026
Response Filed
Jun 01, 2026
Final Rejection mailed — §101
Jul 13, 2026
Examiner Interview (Telephonic)
Jul 13, 2026
Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12678663
METHOD AND SYSTEM FOR ISCHEMIC PRE-CONDITIONING USING EXERCISE
4y 11m to grant Granted Jul 14, 2026
Patent 12672783
LUNG FUNCTION MONITORING FROM HEART SIGNALS
4y 7m to grant Granted Jul 07, 2026
Patent 12672809
DEVICE FOR MONITORING HEAT STRESS
2y 11m to grant Granted Jul 07, 2026
Patent 12672814
Providing a blood pool direction vector based on measured impedances
2y 6m to grant Granted Jul 07, 2026
Patent 12661201
UNIFORM SCALING OF HAPTIC ACTUATORS
2y 0m to grant Granted Jun 23, 2026
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
71%
Grant Probability
95%
With Interview (+24.0%)
2y 10m (~10m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 308 resolved cases by this examiner. Grant probability derived from career allowance rate.

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