Prosecution Insights
Last updated: April 19, 2026
Application No. 18/728,516

A SMART DOORBELL WITH TEMPERATURE SENSOR

Final Rejection §103
Filed
Jul 12, 2024
Examiner
NGUYEN, TAI T
Art Unit
2685
Tech Center
2600 — Communications
Assignee
Ademco Inc.
OA Round
2 (Final)
84%
Grant Probability
Favorable
3-4
OA Rounds
2y 2m
To Grant
99%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allow Rate
919 granted / 1087 resolved
+22.5% vs TC avg
Strong +17% interview lift
Without
With
+17.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 2m
Avg Prosecution
27 currently pending
Career history
1114
Total Applications
across all art units

Statute-Specific Performance

§101
2.8%
-37.2% vs TC avg
§103
27.1%
-12.9% vs TC avg
§102
26.5%
-13.5% vs TC avg
§112
28.5%
-11.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1087 resolved cases

Office Action

§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 . 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. Claim(s) 1-15 is/are rejected under 35 U.S.C. 103 as being unpatentable over Hao (CN 112258700) in view of Conner et al. (CN 112567434). As per claim 1, Hao discloses disclose a smart doorbell (100, figure 2) communicatively connectable to at least one device (display device 104, figure 3), the smart doorbell comprising: a processor (processing module, 102, figure 3); a call button (doorbell key 1011, figure 1) configured to output a first signal when the call button is actuated by a user; and a temperature sensor (temperature collecting component 1012, figure 3) positioned with respect to the call button such that when the call button is actuated by a user, the temperature sensor is capable of taking temperature measurements on a part of a touch body acting on the doorbell key; wherein in response to the call button being actuated by a user, the processor is configured to: receive the first signal from the call button; command the temperature sensor to measure a temperature of a part of the user's wrist; compare the temperature measured by the temperature sensor to a predefined threshold temperature; output a second signal according to the comparison between the temperature measured by the temperature sensor and the predefined threshold; and transmit the first signal and the second signal to at least one device (104), see entire document. Hao discloses the instant claimed invention except for the smart doorbell communicatively connectable to at least one remote device via a network. Conner et al. disclose a smart doorbell (100, figure 1) communicatively connectable to at least one remote device via a wireless interface (125, figure 3), the smart doorbell comprising: a processor (processing system, 120, figure 1); a call button (150, figure 2) configured to output a first signal when the call button is actuated by a user; and a temperature sensor (130, figure 1) positioned with respect to the call button such that when the call button is actuated by a user, the temperature sensor is capable of taking temperature measurements on a part of a battery (110) of the doorbell; the processor is configured to receive the first signal from the temperature sensor to measure a temperature of the battery; compare the temperature measured by the temperature sensor to a predefined threshold temperature; output a second signal according to the comparison between the temperature measured by the temperature sensor and the predefined threshold; and transmit the first signal and the second signal to at least one remote device via the network (see entire document). Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to utilize the wireless interface as taught by Conner et al. in a system as disclosed by Hao for the purpose of wirelessly communicating the doorbell condition to the remote user. As per claim 2, Hao wherein the second signal comprises information about the user's temperature measured by the temperature sensor being higher than the predefined threshold temperature (see entire document). As per claim 3, Conner et al. disclose the second signal comprises an authorization message permitting entrance of the user if the temperature is below or equal to the predefined threshold temperature (figure 6). As per claim 4, Hao discloses the instant claimed invention except for the call button and the temperature sensor being separated by a distance of between 5 centimeters and 25 centimeters. Conner et al. disclose the call button (150) and the temperature sensor (130) being separated by a distance (as shown in figure 1). Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to recognize both sensors has to be separate by a desired distance in order for the sensor to enable to sense the temperature of user's wrist while the user try to press the doorbell button. As per claim 5, Hao disclose the instant claimed invention except for the call button is positioned in the upper part of the doorbell and the temperature sensor is positioned in the lower part of the doorbell. Conner et al. disclose the doorbell (201) includes a camera (204) location on the top portion of the doorbell and a push-button (206) located at a bottom portion of the doorbell (figure 2B). Therefore, it would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to utilize the arrangement as taught by Conner et al. in a system as disclosed by Hao for the purpose of arranging the doorbell button at a top portion of the doorbell and the temperature sensor at the bottom portion of the doorbell to enable the temperature capable to sense the temperature of a part of the user's wrist. As per claim 6, Hao discloses the second signal comprises information about the user's temperature measured by the temperature sensor being outside of a predefined range of temperatures. As per claim 7, refer to claim 6 above. As per claim 8, Conner et al. disclose the doorbell is configured to receive transmissions from the remote device. As per claim 9, Conner et al. disclose the doorbell being configured to grant access to a user based on the transmission received user input from the remote device (666, figure 6). As per claims 10-15, The method claims 10-15 are essentially the same in scope as system claims 1-9 above and are rejected similarly. Response to Arguments Applicant's arguments filed January 07, 2026 have been fully considered but they are not persuasive. Applicant argues that Hao does not disclose a call button as the triggering mechanism for temperature measurement. Examiner does not agree. Hao discloses the doorbell module (101) comprising a doorbell key (call button, 1011) and the temperature collecting component (temperature sensor, 1012) integrated on the doorbell button (1011), wherein the temperature sensor configured to sense the temperature of the touch body acting on the doorbell button to obtain the temperature information (see description of figure 1). Therefore, Hao reference read on the invention’s claims. Applicant argues that Hao does not teach a temperature sensor positioned specifically with the respect to a call button. Examiner does not agree. As mentioned above, Hao clearly discloses the doorbell module (101) comprising a doorbell key (call button, 1011) and the temperature collecting component (temperature sensor, 1012) integrated on the call button (1011), wherein the temperature sensor configured to sense the temperature of the touch body acting on the doorbell button to obtain the temperature information (see description of figure 1). Therefore, Hao reference read on the invention’s claims. 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 TAI T. NGUYEN whose telephone number is (571)272-2961. The examiner can normally be reached Mon-Fri: 9am-6pm. 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, Quan-Zhen Wang can be reached at 571-272-7114. 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. /TAI T NGUYEN/Primary Examiner, Art Unit 2685 January 28, 2026
Read full office action

Prosecution Timeline

Jul 12, 2024
Application Filed
Oct 14, 2025
Non-Final Rejection — §103
Jan 07, 2026
Response Filed
Jan 28, 2026
Final Rejection — §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
84%
Grant Probability
99%
With Interview (+17.4%)
2y 2m
Median Time to Grant
Moderate
PTA Risk
Based on 1087 resolved cases by this examiner. Grant probability derived from career allow rate.

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