Prosecution Insights
Last updated: July 17, 2026
Application No. 18/663,464

METHOD AND SYSTEM FOR CARDIAC THERAPY TO SWITCH BETWEEN DIURNAL AND NOCTURNAL PACING RATES USING CORE BODY TEMPERATURE

Non-Final OA §102
Filed
May 14, 2024
Priority
Jun 01, 2023 — provisional 63/505,564
Examiner
LUAN, SCOTT
Art Unit
3792
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Pacesetter Inc.
OA Round
1 (Non-Final)
65%
Grant Probability
Favorable
1-2
OA Rounds
11m
Est. Remaining
77%
With Interview

Examiner Intelligence

Grants 65% — above average
65%
Career Allowance Rate
419 granted / 645 resolved
-5.0% vs TC avg
Moderate +12% lift
Without
With
+12.3%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
39 currently pending
Career history
683
Total Applications
across all art units

Statute-Specific Performance

§101
1.4%
-38.6% vs TC avg
§103
71.1%
+31.1% vs TC avg
§102
7.7%
-32.3% vs TC avg
§112
6.0%
-34.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 645 resolved cases

Office Action

§102
DETAILED ACTION Status of Claims The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claims 1-20 are pending. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claims 1-20 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Yoon et al. (US 20220072316 A1, 2022-03-10) (hereinafter “Yoon”). Regarding claims 1-20, Yoon teaches a method for managing diurnal and nocturnal pacing for an implantable medical device (IMD) (and an implantable medical device that implements the method) )that includes a temperature sensor, one or more electrodes, one or more pulse generators and a control circuit (e.g., [0276]), the method comprising: sensing, at the temperature sensor, a temperature signal indicative of a core body temperature of a patient within which the IMD is implanted; under control of the control circuit, producing a first moving composite temperature (MCT) signal based on the temperature signal sensed over a first period of time; producing a second MCT signal based on the temperature signal over a second period of time, the second period of time being longer than the first period of time; comparing a current temperature signal to the first and second MCT signals; and controlling a pacing rate for pacing pulses, generated by the one or more pulse generators and delivered to the one or more electrodes, based on one or more relations between the current temperature signal, the first MCT signal and the second MCT signal (e.g., [0371] (“In still other examples, the temperature change may be determined at block 616 by determining a threshold number of consecutive temperature differences that are trending in the same direction. For example, if the difference between the current temperature and a preceding temperature (where each of the current and preceding temperatures may be a single sample point of the temperature signal, a short-term average or a short-term moving average) is positive three consecutive times, an increasing temperature change may be determined at block 616. When the difference is negative three (or more) consecutive times, a decreasing temperature change may be determined at block 616. The individual differences may be any magnitude of change but the consecutive differences trending the same direction may be detected as an increasing or decreasing temperature change at block 616. When the three consecutively determined temperature differences include both positive and negative differences and/or zero differences, no temperature change may be detected by control circuit 306 at block 616. In this way, a threshold difference is not necessarily required in order to detect a temperature change, but a threshold number of consecutive temperature differences in the same direction indicate a rising or falling body temperature.”) (emphasis added); see also, e.g., [0370], [0372]-[0373], [0382]; Figs. 8-11 and associated text ) (as recited in claims 1 and 11); wherein the controlling the pacing rate includes changing the pacing rate to a nocturnal pacing rate responsive to at least one of: a) the current temperature signal falls below the second MCT signal; or b) the first MCT signal falls below the second MCT signal (e.g., [0370]-[0373], [0382]; Figs. 8-11 and associated text ) (as recited in claims 2 and 12); wherein the controlling the pacing rate includes changing the pacing rate to a diurnal pacing rate responsive to at least one of: a) the first MCT signal rises above the second MCT signal; or b) the first MCT signal rises above a waking threshold signal (e.g., [0370]-[0373], [0382]; Figs. 8-11 and associated text ) (as recited in claims 3 and 13); wherein the controlling the pacing rate includes setting the pacing rate to a diurnal pacing rate when the current temperature signal exceeds a mathematical combination of the first and second MCT signals signal (e.g., [0370]-[0373], [0382]; Figs. 8-11 and associated text ) (as recited in claims 4 and 14); wherein the controlling the pacing rate includes setting one or more sleep thresholds based on i) at least one of the current temperature signal, the first MCT signal or the second MCT signal and ii) one or more offsets, the pacing rate changed responsive to at least one of the current temperature signal or the first MCT signal falling below the one or more sleep thresholds signal (e.g., [0370]-[0373], [0382]; Figs. 8-11 and associated text ) (as recited in claims 5 and 15); wherein the controlling the pacing rate includes setting one or more wake thresholds based on i) at least one of the current temperature signal, the first MCT signal or the second MCT signal and ii) one or more offsets, the pacing rate changed responsive to at least one of the current temperature signal or the first MCT signal rising above the one or more wake thresholds signal (e.g., [0370]-[0373], [0382]; Figs. 8-11 and associated text ) (as recited in claims 6 and 16); wherein the second MCT signal represents a current extra long-term average (XLTA) temperature signal as a trend of daily average temperatures produced by summing a weighted combination of i) a prior XLTA temperature signal and ii) the current temperature signal, the controlling the pacing rate includes setting at least one of a sleep threshold or a wake threshold based on the XLTA temperature signal and one or more offsets (e.g., [0423], [0431]) (as recited in claims 7 and 17); wherein the first period of time corresponds to one of a) to c) and the second period of time corresponds to another one of a) to c): a) a duration between 1-15 minutes; b) a duration between 1-3 hours; and c) a duration between 1-7 days (e.g., [0370]-[0373], [0382], [0423], [0431]) (as recited in claims 8 and 18); wherein the first and second MCT signals are produced by two of a) to c): a) calculating a current medium-term average (MTA) temperature signal by summing a weighted combination of i) a prior MTA temperature signal and ii) the current temperature signal; b) calculating a current long-term average (LTA) temperature signal by summing a weighted combination of i) a prior LTA temperature signal and ii) the current temperature signal; and c) calculating a current extra long-term average (XLTA) temperature signal as a trend of daily average temperatures by summing a weighted combination of i) a prior XLTA temperature signal and ii) the current temperature signal (e.g., [0370]-[0373], [0382], [0423], [0431]) (as recited in claims 9 and 19); wherein the controlling the pacing rate includes i) gradually decreasing the pacing rate to a nocturnal pacing rate at a rate of decrease, or ii) gradually increasing the pacing rate to a diurnal pacing rate at a rate of increase (e.g., [0370]-[0373], [0382]; Figs. 8-11 and associated text ) (as recited in claim 10); wherein the second period of time corresponds to a duration of between 1-7 days and the second MCT signal represents a multi-day nocturnal long-term average (NLTA) temperature signal that trends a daily low temperature (e.g., [0370]-[0373], [0382], [0423], [0431]) (as recited in claim 20). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to SCOTT T LUAN whose telephone number is (571)270-1860. The examiner can normally be reached on 9am-5pm, M-F (generally). If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Gary Jackson, can be reached on 571-272-4697. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. Scott Luan /SCOTT LUAN/Primary Examiner, Art Unit 3792
Read full office action

Prosecution Timeline

May 14, 2024
Application Filed
May 27, 2026
Non-Final Rejection mailed — §102 (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

1-2
Expected OA Rounds
65%
Grant Probability
77%
With Interview (+12.3%)
3y 1m (~11m remaining)
Median Time to Grant
Low
PTA Risk
Based on 645 resolved cases by this examiner. Grant probability derived from career allowance rate.

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