Prosecution Insights
Last updated: April 19, 2026
Application No. 18/167,178

Multi-Zone Smart Wireless Charger With Low Battery Indicator

Non-Final OA §102§103
Filed
Feb 10, 2023
Examiner
OMAR, AHMED H
Art Unit
2859
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
DENSO CORPORATION
OA Round
1 (Non-Final)
75%
Grant Probability
Favorable
1-2
OA Rounds
2y 8m
To Grant
90%
With Interview

Examiner Intelligence

Grants 75% — above average
75%
Career Allow Rate
798 granted / 1062 resolved
+7.1% vs TC avg
Moderate +15% lift
Without
With
+14.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
50 currently pending
Career history
1112
Total Applications
across all art units

Statute-Specific Performance

§101
2.1%
-37.9% vs TC avg
§103
60.2%
+20.2% vs TC avg
§102
22.0%
-18.0% vs TC avg
§112
4.4%
-35.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1062 resolved cases

Office Action

§102 §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 § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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. Claim(s) 11-12, 14 and 25-26 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by KIM et al. (US 2017/0302097 A1, hereinafter KIM). Regarding claims 11 and 25 (claim 11 is considered representative for limitation matching purposes), Kim discloses a system comprising: a base station for wirelessly charging at least one mobile device (See Fig.3A, Item#110 and Figs.5A-5D, disclose a charging base for charging a plurality of electronic devices 512 and 514), the base station including a plurality of charging coils (See Fig.3A, Items#310 and 311, disclose an induction coil and a resonant coil), a Bluetooth Low Energy (BLE) communication module (See Fig.3A, Item#340), and a control module (See Fig.3A, Item#350, discloses a controller) configured to: communicate with the at least one mobile device via the BLE communication module to receive information about the at least one mobile device (See Par.115, discloses receiving a communication signal from an electronic device to receive its broadcasting signal indicating that it is a resonance device); select at least one charging coil from the plurality of charging coils based on the received information about the at least one mobile device (See Par.115, discloses determining that the electronic device is a resonant device); and activate the at least one charging coil to charge the at least one mobile device (See Par.117, discloses power is transmitted to the electronic device using the resonance coil 310). Regarding claims 12 and 26 (claim 12 is considered representative for limitation matching purposes), KIM discloses the system of claim 11 as discussed above, wherein the control module is further configured to receive information about at least one battery of the at least one mobile device via communication with the at least one mobile device and to output the information about the at least one battery of the at least one mobile device (See Fig.1A and Pars.57 and 96, discloses the charger comprising a communication unit 113 and a display to display the status of an electronic device. Fig. 3B, discloses the communication unit comprising a BLE). Regarding claim 14, KIM discloses the system of claim 12 as discussed above, wherein the information about the at least one battery of the at least one mobile device includes at least one of a low battery status and a last time the battery was charged. (See KIM, Par.96, discloses red LED when the battery is not fully charged, interpreted as low battery status). 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. 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. Claim(s) 1-6, 8, 15-20 and 22 is/are rejected under 35 U.S.C. 103 as being unpatentable over KIM in view of HOSSEINI (US 2022/0158495 A1, hereinafter HOSSEINI). Regarding claims 1 and 15 (claim 1 is considered representative for limitation matching purposes), KIM discloses a system comprising: a base station for wirelessly charging at least one mobile device (See Fig.3B, Item#110 and Figs.5A-5D, disclose a charging base for charging a plurality of electronic devices 512 and 514), the base station including a plurality of charging coils (See Fig.3B, discloses a first induction coil 311 and a second induction coil 312) and a control module (See Fig.3B, Item#350 and Fig.1, Item#112, disclose a controller) configured to: activate at least one first charging coil of the plurality of charging coils to charge the at least one mobile device (See Par.150, discloses transmitting a power beacon to each induction coil); monitor at least one electrical characteristic of the at least one first charging coil while charging the at least one mobile device (See Par.150, discloses determining the amount of change in impedance in the first coil); activate at least one second charging coil of the plurality of charging coils to charge the at least one mobile device (See Par.150, discloses activating the second induction coil by providing a power beacon); monitor the at least one electrical characteristic of the at least one second charging coil while charging the at least one mobile device (See Par.150, discloses determining the amount of change in impedance in the second coil); compare the at least one electrical characteristic monitored during the first time period with the at least one electrical characteristic monitored during the second time period (See Par.150, discloses comparing the change in impedance in each of the first induction coil and the second induction coil); and select one of the at least one first charging coil and the at least one second charging coil for charging the at least one mobile device during a third time period after the first and second time periods based on the comparison (See Par.150, discloses selecting the coil with the least amount of impedance change). However, KIM does not explicitly disclose the first charging coil is activated during a first time period and the second charging coil is activated during a second time period. HOSSEINI discloses a wireless charging system comprising a activating a first coil during a first time period and a second coil during a second time period to select the most efficient zone for charging the electronic device (See Par.54 and Fig.2, disclose sequentially activating the charging zones). KIM and HOSSEINI are analogous art since they both deal with wireless charging. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by KIM with the teachings of HOSSEINI by activating the first charging coil during a first time period and activating the second charging coil during a second time period for the benefit of avoiding interference in measurement caused by simultaneously activating the first and second coils. Regarding claims 2 and 16 (claim 2 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 1 as discussed above, However, KIM and HOSSEINI do not explicitly disclose wherein the at least one mobile device includes a key fob. However, the examiner explains that a recitation of the intended use of the claimed invention must result in a structural difference between the claimed invention and the prior art in order to patentably distinguish the claimed invention from the prior art. If the prior art structure is capable of performing the intended use, then it meets the claim. The disclosed charging structure is capable of charging a key fob comprising a wireless charge receiving coil. Regarding claims 3 and 17 (claim 3 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 1 as discussed above, wherein the at least one mobile device includes at least one of a smartphone and a smartwatch (See KIM, Fig.5D, Item#512, discloses a smartphone). Regarding claims 4 and 18 (claim 4 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 1 as discussed above, wherein the base station is configured to simultaneously two different devices one of them is a smartphone (See KIM, Fig.5D). However, KIM and HOSSEINI do not disclose the system simultaneously charger charge a key fob and a smartphone. However, the examiner explains that a recitation of the intended use of the claimed invention must result in a structural difference between the claimed invention and the prior art in order to patentably distinguish the claimed invention from the prior art. If the prior art structure is capable of performing the intended use, then it meets the claim. The disclosed charging structure is capable of charging a key fob comprising a wireless charge receiving coil at the same time as charging a smartphone. Regarding claims 5 and 19 (claim 5 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 1 as discussed above, wherein the base station is configured to simultaneously charge each of a smartphone and a smartwatch (See KIM, Fig.5D, discloses simultaneously charging a smartphone 512 and a smartwatch 514). Regarding claims 6 and 20 (claim 6 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 1 as discussed above, wherein the base station further includes a Bluetooth Low Energy (BLE) module to communicate with the at least one mobile device using BLE to receive information about at least one battery of the at least one mobile device and to output the information about the at least one battery of the at least one mobile device (See KIM, Fig.1A and Pars.57 and 96, discloses the charger comprising a communication unit 113 and a display to display the status of an electronic device. Fig. 3B, discloses the communication unit comprising a BLE). Regarding claims 8 and 22 (claim 8 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 6 as discussed above, wherein the information about the at least one battery of the at least one mobile device includes at least one of a low battery status (See KIM, Par.96, discloses red LED when the battery is not fully charged, interpreted as low battery status). Claim(s) 9 and 23 is/are rejected under 35 U.S.C. 103 as being unpatentable over KIM in view of HOSSEINI and in further view of SHIN et al. (US 2017/0288739 A1, hereinafter SHIN). Regarding claims 9 and 23 (claim 9 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 6, However, KIM and HOSSEINI do not disclose wherein the base station is configured to determine at least one of a location and a distance of one of the at least one mobile device to the base station based on signal strength of BLE signals received from the one of the at least one mobile device. SHIN discloses a wireless charging system wherein a wireless charging transmitter determines the distance of the electronic device relative to the wireless charging transmitter based on a received communication signal strength (See Par. 103, discloses the first wireless power transmitting device 401 may also determine the distance to the electronic device 403 based on the strength of the communication signal from the electronic device 403. For example, the communication signal may include information about a strength at the time of transmission. The first wireless power transmitting device 401 may also determine the distance to the electronic device 403 by comparing the strength at the time of transmission, contained in the communication signal, with the strength of the communication signal received. Par.62 discloses the communication may comprise Bluetooth low energy (BLE)). KIM, HOSSEINI and SHIN are analogous art since they all deal with wireless charging. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed KIM and HOSSEINI with the teachings of SHIN by using communication signal strength to determine the distance of one of the at least one mobile device to the base station based on signal strength of BLE signals received from the one of the at least one mobile device for the benefit of controlling the antennas to direct power towards the electronic device (See SHIN, Par.65). Claim(s) 10 and 24 is/are rejected under 35 U.S.C. 103 as being unpatentable over KIM in view of HOSSEINI and in further view of HIRAMATSU (US 2023/0104039 A1, hereinafter HIRAMATSU). Regarding claims 10 and 24 (claim 10 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 1 as discussed above, However, KIM and HOSSEINI do not disclose wherein the base station further includes a near-field communication (NFC) module to communicate with a NFC enabled device to prohibit charging the at least one mobile device in response to the NFC enabled device communicating with the NFC module of the base station. HIRAMATSU discloses a wireless charging system wherein the wireless charging transmitter comprises a NF module and uses the NFC module to detect a foreign object and prohibit charging (See Par.70, discloses when the TX has a Near Field Communication (NFC) communication function, foreign object detection processing may be executed using an opposing device detection function using an NFC standard. Fig.5B, Steps#S513-S516, disclose stopping power transmission when a foreign object is detected). KIM, HOSSEINI and HIRAMATSU are analogous art since they all deal with wireless charging. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by KIM and HOSSEINI with the teachings of HIRAMATSU by adding NFC module to detect the presence of a foreign object comparing an NFC enabled device for the benefit of protecting an NFC enabled foreign object (such as a credit card) against damage caused by wireless charging. Claim(s) 7 and 21 is/are rejected under 35 U.S.C. 103 as being unpatentable over KIM in view of HOSSEINI and in further view of YOON et al. (US 2013/0088195 A1, hereinafter YOON). Regarding claims 7 and 21 (claim 7 is considered representative for limitation matching purposes), KIM and HOSSEINI disclose the system of claim 6, However, KIM and HOSSEINI do not disclose wherein the base station is located in a vehicle and the base station is configured to output the information about the at least one battery of the at least one mobile device to a display screen of the vehicle. YOON discloses a wireless charger for charging an electronic device, the charger is located in a vehicle and configured to output information about the electronic device battery on the display screen of the vehicle (See Par.3). KIM, HOSSEINI and YOON are analogous art since they all deal with wireless charging. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by KIM and HOSSEINI with the teachings of YOON by displaying information on a vehicle display screen for the benefit of alerting a driver to the charging status of an electronic device being charged in a vehicle environment. Claim(s) 13 and 27-28 is/are rejected under 35 U.S.C. 103 as being unpatentable over KIM in view of YOON. Regarding claims 13 and 27 (claim 13 is considered representative for limitation matching purposes), KIM discloses the system of claim 12 as discussed above, However, KIM does not disclose wherein the base station is located in a vehicle and the base station is configured to output the information about the at least one battery of the at least one mobile device to a display screen of the vehicle. YOON discloses a wireless charger for charging an electronic device, the charger is located in a vehicle and configured to output information about the electronic device battery on the display screen of the vehicle (See Par.3). KIM and YOON are analogous art since they all deal with wireless charging. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by KIM with the teachings of YOON by displaying information on a vehicle display screen for the benefit of alerting a driver to the charging status of an electronic device being charged in a vehicle environment. Regarding claim 28, KIM and YOON disclose the method of claim 27 as discussed above, wherein the information about the at least one battery of the at least one mobile device includes at least one of a low battery status and a last time the battery was charged (See KIM, Par.96, discloses red LED when the battery is not fully charged, interpreted as low battery status). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to AHMED H OMAR whose telephone number is (571)270-7165. The examiner can normally be reached 10:00 am -7:00 PM EST. 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, Drew Dunn can be reached at 571-272-2312. 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. /AHMED H OMAR/ Examiner, Art Unit 2859
Read full office action

Prosecution Timeline

Feb 10, 2023
Application Filed
Dec 13, 2025
Non-Final Rejection — §102, §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

1-2
Expected OA Rounds
75%
Grant Probability
90%
With Interview (+14.6%)
2y 8m
Median Time to Grant
Low
PTA Risk
Based on 1062 resolved cases by this examiner. Grant probability derived from career allow rate.

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