Prosecution Insights
Last updated: April 19, 2026
Application No. 17/307,970

Smartphone Heart Rate And Breathing Rate Determination Using Accuracy Measurement Weighting

Final Rejection §101
Filed
May 04, 2021
Examiner
TU, AURELIE H
Art Unit
3791
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Koa Health Digital Solutions S L U
OA Round
6 (Final)
56%
Grant Probability
Moderate
7-8
OA Rounds
3y 9m
To Grant
99%
With Interview

Examiner Intelligence

Grants 56% of resolved cases
56%
Career Allow Rate
126 granted / 227 resolved
-14.5% vs TC avg
Strong +62% interview lift
Without
With
+62.1%
Interview Lift
resolved cases with interview
Typical timeline
3y 9m
Avg Prosecution
61 currently pending
Career history
288
Total Applications
across all art units

Statute-Specific Performance

§101
20.9%
-19.1% vs TC avg
§103
30.9%
-9.1% vs TC avg
§102
15.7%
-24.3% vs TC avg
§112
28.3%
-11.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 227 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 Amendment Claims 1, 2, 4, 6-8, 10-12 and 21 are currently pending. Claims 10-12 remain withdrawn. Claim 1 has been amended to overcome the 35 U.S.C. 112(b) rejections set forth in the Non-Final Office Action mailed on 04 March 2025. 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, 2, 4, 6-8, and 21 are rejected under 35 U.S.C. 101 because the claimed invention is directed to non-statutory subject matter. The claim(s) as a whole, considering all claim elements both individually and in combination, do not amount to significantly more than an abstract idea. A streamlined analysis of claim 1 follows. STEP 1 Regarding claim 1, the claim recites a series of steps or acts, including using one or more accelerometers of a smartphone to generate a plurality of time domain accelerometer output data sets. Thus, the claim is directed to a process, which is one of the statutory categories of invention. STEP 2A, PRONG ONE The claim is then analyzed to determine whether it is directed to any judicial exception. The steps of: (b) applying a band-pass filter to each time domain accelerometer output data set to generate filtered time domain accelerometer output data by suppressing frequencies outside of a predetermined range; (c) applying a Fast Fourier Transform (FFT) to convert each filtered time domain accelerometer output data set into a frequency domain accelerometer output data set; (d) determining a corresponding estimated heart rate (EHR) value by selecting a frequency component of the frequency domain accelerometer output data set having a highest amplitude, thereby determining a sequence of EHR values; (e) determining a power spectrum of each of frequency domain accelerometer output data set; (f) normalizing each power spectrum into a normalized power spectral density; (g) mapping the normalized power spectral density to a probability density function; (h) determining a power spectral entropy (PSE) from the probability density function; (i) normalizing the PSE into a normalized PSE; and (k) adjusting, using the sequence of EA values determined in (j), the sequence of EHR values determined in (d), thereby generating a corresponding sequence of adjusted heart rate (AHR) values, wherein a weight of effect of the EHR values on the AHR values is proportionate to the EA values associated with the EHR values set forth a judicial exception. The steps (b), (d), (e), (g), (h), and (k) describe a concept performed in the human mind (including an observation, evaluation, judgment, opinion). The steps (b), (c), (f), and (i) describe a mathematical concept. Thus, the claim is drawn to a Mental Process and a Mathematical Process, which are Abstract Ideas. Regarding step (b), it is noted that this step is interpreted as both a mental process and mathematical process. Applying a band-pass filter may be interpreted as mentally selecting data points or as mathematically selecting data points. STEP 2A, PRONG TWO Next, the claim as a whole is analyzed to determine whether the claim recites additional elements that integrate the judicial exception into a practical application. The claim fails to recite an additional element or a combination of additional elements to apply, rely on, or use the judicial exception in a manner that imposes a meaningful limitation on the judicial exception. Claim 1 recites (j) generating a sequence of estimated accuracy (EA) values by using the normalized PSE and stored spectral entropy to weight mapping information; and (l) generating an audio prompt based at least in part on the sequence of the AHR values and displaying on the smartphone a representation of at least one of the AHR values, wherein steps (a) – (l) are performed by the smartphone, which is merely adding insignificant extra-solution activity to the judicial exception (MPEP 2106.05(g)). The generating of a sequence of EA values, generating an audio prompt, and displaying the representation on the smartphone do not provide an improvement to the technological field, the method does not effect a particular treatment or effect a particular change based on the generated sequence of EA values, generated audio prompt, and displayed representation, nor does the method use a particular machine to perform the Abstract Idea. STEP 2B Next, the claim as a whole is analyzed to determine whether any element, or combination of elements, is sufficient to ensure that the claim amounts to significantly more than the exception. Besides the Abstract Idea, the claim recites additional steps of (a) using one or more accelerometers of a smartphone to generate a plurality of time domain accelerometer output data sets, wherein each time domain accelerometer output data set contains a plurality of accelerometer output data values acquired during a predetermined period of time. Generating a plurality of time domain accelerometer output data sets is well-understood, routine and conventional activity for those in the field of medical diagnostics as Estevez ‘932 (US Pub No. 2011/0014932 – previously cited) teaches that iPhones with accelerometers are conventional smartphones. The accelerometer is also a generic sensor configured to perform pre-solutional data gathering activity. Further, the generating step is recited at a high level of generality such that it amounts to insignificant presolution activity, e.g., mere data gathering step necessary to perform the Abstract Idea. When recited at this high level of generality, there is no meaningful limitation, such as a particular or unconventional step that distinguishes it from well-understood, routine, and conventional data gathering and comparing activity engaged in by medical professionals prior to Applicant's invention. Furthermore, it is well established that the mere physical or tangible nature of additional elements such as the obtaining and comparing steps do not automatically confer eligibility on a claim directed to an abstract idea (see, e.g., Alice Corp. v. CLS Bank Int'l, 134 S.Ct. 2347, 2358-59 (2014)). Consideration of the additional elements as a combination also adds no other meaningful limitations to the exception not already present when the elements are considered separately. Unlike the eligible claim in Diehr in which the elements limiting the exception are individually conventional, but taken together act in concert to improve a technical field, the claim here does not provide an improvement to the technical field. Even when viewed as a combination, the additional elements fail to transform the exception into a patent-eligible application of that exception. Thus, the claim as a whole does not amount to significantly more than the exception itself. The claim is therefore drawn to non-statutory subject matter. The dependent claims also fail to add something more to the abstract independent claims as they generally recite method steps pertaining to data analyzing that add to the Abstract Idea. Claims 2 and 6 recite data analyzing that add to the Abstract Idea as the steps mentioned in these claims could be performed mentally. Claim 4 is merely further defining the periods of time. Claim 7 recites displaying data, which does not integrate the judicial exception into a practical application. Claim 8 recites the use of x-, y-, and z-axis accelerometers, which are generic sensors used to perform the pre-solutional activity of data gathering. Claim 21 recites normalizing each accelerometer output data set, which could be performed mentally or by hand. This step may also be considered as a mathematical process. The steps recited in the independent claim maintain a high level of generality even when considered in combination with the dependent claims. Response to Arguments Applicant argues that the amended claim 1 “as a whole integrates the judicial exception into a practical application” because claim 1 provides the improvement of using only smartphone accelerometer output data and no eternal sensors. However, using only the smartphone’s accelerometer is well-understood, routine, and conventional (WURC), as supported by Estevez ‘932. Furthermore, [0030] of the PGPUB recites that an iPhone 6 is used, indicating that the claimed smartphone and the accelerometer in the smartphone is commercially available, WURC, and does not require special structural components that are not WURC. Applicant argues that generating an audio prompt imposes a meaningful limitation as it is analogous to “send[ing] control signals to the injection molding apparatus” as recited by claim 2 of USPTO Subject Matter Eligibility Example 45 (hereinafter “Example 45”). However, Example 45 shows that a target percentage has been reached, which will send control signals to open a mold and eject molded polyurethan from the mold, which is a meaningful limitation. However, in claim 1, the generating of the sequence of AHR values merely generates an audio prompt. There is no “change” being effected nor is there a reason as to why generating an audio prompt is an improvement. Generating an audio prompt is merely a data output. It is noted that Applicant argues that the playback rate of the audio prompt is being controlled and is a “meaningful limitation.” [0052] of the PGPUB also mentions “the audio breathing prompt is an audio snippet, the playback rate of which is timed and controlled by the CBT exercise app main program 12.” It is noted that this is not recited in claim 1. It is unclear in the claim how the audio prompt is being controlled by the sequence of AHR values. It is noted that [0052] of the PBGPUB also recites “the visual breathing prompt icon 28 expands and contracts in concert with an audio breathing rhythm prompt.” The claim does not clearly reflect how the adjusting step (k) effects the generating of the audio prompt and displaying of the representation of the AHR values. However, it is still unclear as to how the visual breathing prompt 28 and audio breathing prompt would provide an improvement as these are mere outputs of data. As such, Applicant’s arguments are not persuasive and the 35 U.S.C. 101 rejection has been maintained. Conclusion THIS ACTION IS MADE FINAL. 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 AURELIE H TU whose telephone number is (571)272-8465. The examiner can normally be reached [M-F] 7:30-3:30. 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, Alexander Valvis can be reached at (571) 272-4233. 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. /AURELIE H TU/ Primary Examiner, Art Unit 3791
Read full office action

Prosecution Timeline

May 04, 2021
Application Filed
Jun 12, 2023
Non-Final Rejection — §101
Aug 23, 2023
Response Filed
Oct 27, 2023
Final Rejection — §101
Feb 07, 2024
Applicant Interview (Telephonic)
Feb 07, 2024
Examiner Interview Summary
Feb 28, 2024
Response after Non-Final Action
Mar 18, 2024
Applicant Interview (Telephonic)
Mar 26, 2024
Request for Continued Examination
Apr 01, 2024
Response after Non-Final Action
Apr 23, 2024
Non-Final Rejection — §101
Jul 19, 2024
Response Filed
Oct 04, 2024
Final Rejection — §101
Jan 02, 2025
Request for Continued Examination
Jan 07, 2025
Response after Non-Final Action
Feb 27, 2025
Non-Final Rejection — §101
Sep 04, 2025
Response Filed
Oct 15, 2025
Final Rejection — §101 (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

7-8
Expected OA Rounds
56%
Grant Probability
99%
With Interview (+62.1%)
3y 9m
Median Time to Grant
High
PTA Risk
Based on 227 resolved cases by this examiner. Grant probability derived from career allow rate.

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