Prosecution Insights
Last updated: April 19, 2026
Application No. 18/628,996

ELECTRIC MOTOR OF AN AUXILIARY UNIT OF A MOTOR VEHICLE

Non-Final OA §103
Filed
Apr 08, 2024
Examiner
SUBRAMANIAN, VISWANATHAN
Art Unit
2834
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Brose Fahrzeugteile SE & Co. Kommanditgesellschaft Würzburg
OA Round
1 (Non-Final)
80%
Grant Probability
Favorable
1-2
OA Rounds
2y 9m
To Grant
99%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allow Rate
159 granted / 198 resolved
+12.3% vs TC avg
Strong +23% interview lift
Without
With
+22.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
40 currently pending
Career history
238
Total Applications
across all art units

Statute-Specific Performance

§101
0.9%
-39.1% vs TC avg
§103
54.8%
+14.8% vs TC avg
§102
30.0%
-10.0% vs TC avg
§112
13.6%
-26.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 198 resolved cases

Office Action

§103
DETAILED ACTION This Office Action is in response to applicant’s communication filed on 4.8.24. In view of this communication, claims 11-22 are now pending in this application. 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 . Specification The title of the invention is not descriptive. A new title is required that is clearly indicative of the invention to which the claims are directed. The following title is suggested: Bearing shield and sensor support structure for an electric motor of an ancillary unit of a motor vehicle . Claim Rejections - 35 USC § 103 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 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. 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. 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. Claims 11,14-15,21 are rejected under 35 U.S.C. 103 as being unpatentable over by Domyo et al (WO2015098056A1 English translation), hereinafter Domyo in view of Domyo. Regarding Claim 11, Domyo discloses (Figs 1,8) an electric motor (10) of an ancillary unit (10), the electric motor comprising: a bearing shield (13); a sensor (41,43); and a sensor support (51) made of a plastics material (Page 5, Line 33) and having a body (51) disposed perpendicularly (Fig 1) to a rotor axis (AA), on said body said sensor is held (Page 5, Line 34-35), said sensor support further having arms (74) peripherally attached to said body, said arms at least in part run parallel (Fig 1) to the rotor axis (AA) and are fastened (75) to said bearing shield (13). Domyo does not explicitly disclose usage in a motor vehicle. Domyo further discloses usage in a motor vehicle [Page 3, Line 39 discloses “starter motor” and Line 28 “internal combustion engine” which are well known in the art for usage in motor vehicle]. It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo with usage in motor vehicle as is well known in the art in order to function as a starter motor. PNG media_image1.png 684 506 media_image1.png Greyscale PNG media_image2.png 344 476 media_image2.png Greyscale Regarding Claim 14, Domyo in view of Domyo discloses the electric motor according to claim 11. Domyo in view of Domyo further discloses wherein said arms (74) have ends (72), said ends are angled radially (Fig 1) toward an outside in order to form in each case one tab (Figs 25,26,72) . PNG media_image3.png 218 452 media_image3.png Greyscale PNG media_image4.png 224 422 media_image4.png Greyscale Regarding Claim 15, Domyo in view of Domyo discloses the electric motor according to claim 14. Domyo in view of Domyo further discloses further comprising fasteners (75); and wherein each said tab has a passage opening (Fig 26) formed therein which is penetrated by a respective one of said fasteners (Fig 26). Regarding Claim 21, Domyo discloses (Figs 1,8) an ancillary unit (10), the ancillary unit (10) comprising an electric motor (10), containing; a bearing shield (13); a sensor (41,43); and a sensor support (51) made of a plastics material (Page 5, Line 33) and having a body (51) disposed perpendicularly (Fig 1) to a rotor axis (AA), on said body said sensor is held (Page 5, Line 34-35), said sensor support further having arms (74) peripherally attached to said body, said arms at least in part run parallel (Fig 1) to the rotor axis (AA) and are fastened (75) to said bearing shield (13). Domyo does not explicitly disclose usage in a motor vehicle. Domyo further discloses usage in a motor vehicle [Page 3, Line 39 discloses “starter motor” and Line 28 “internal combustion engine” which are well known in the art for usage in motor vehicle]. It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed ancillary unit of Domyo with usage in motor vehicle as is well known in the art in order to function as a starter motor. Claims 12, 19 are rejected under 35 U.S.C. 103 as being unpatentable over by Domyo in view of Domyo and Koch et al (DE102019202859A1 English translation), hereinafter Koch. Regarding Claim 12, Domyo in view of Domyo discloses the electric motor according to claim 11. Domyo in view of Domyo further discloses wherein: said bearing shield (13) has a elevation (13e) with a base (13b) , said elevation is adjoined by a periphery that extends radially (R) toward an outside (R) relative to the rotor axis (Aa); said body (51) is supported on said base (13b) of said elevation; and said arms (74) are fastened (75) to said periphery (13b periphery). Domyo in view of Domyo does not explicitly disclose a pot-shaped elevation. Koch discloses (Figs 3a, 3b) a pot-shaped elevation (52). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo in view of Domyo with pot shaped elevation of bearing shield as taught by Koch in order to have design choice of axial and radial space that is required to mount various components such as sensor, bearing, connection element while at the same time optimizing material usage. PNG media_image5.png 480 498 media_image5.png Greyscale Regarding Claim 19, Domyo in view of Domyo discloses the electric motor according to claim 11. Domyo in view of Domyo does not explicitly disclose wherein said sensor has a plurality of fastening holes formed therein; further comprising a plurality of contact pins, in part running parallel to the rotor axis, are embedded in said body by press-fitting technology, said contact pins being in each case guided through a corresponding one of said fastening holes of said sensor. Koch discloses (Figs 4-5) wherein said sensor (31) has a plurality of fastening holes (69) formed therein; further comprising a plurality of contact pins (70), in part running parallel (Fig 5)to the rotor axis (AA), are embedded in said body (33) by press-fitting technology [Para 0026 discloses “The first ends 71 can be designed as press-fit contacts 74”], said contact pins being in each case guided through a corresponding one of said fastening holes of said sensor (Fig 5). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo in view of Domyo with press fit contact pins as taught by Koch in order to have an easy way to connect sensor and retain structural and electrical integrity of terminals with circuit board. PNG media_image6.png 728 424 media_image6.png Greyscale PNG media_image7.png 526 512 media_image7.png Greyscale Claim 13 is rejected under 35 U.S.C. 103 as being unpatentable over by Domyo in view of Domyo, Koch and Kodera et al (WO2016103619A1 English translation), hereinafter Kodera. Regarding Claim 13, Domyo in view of Domyo and Koch discloses the electric motor according to claim 12. Domyo in view of Domyo and Koch does disclose sensor support (51) but does not explicitly disclose it has webs, which project parallel to the rotor axis and are connected to one another and rest on said base, are integrally molded proximal to said base on said body. Kodera discloses (Fig 4) wherein support (51) has webs (73,74,75,76 ),which project parallel to the rotor axis (perpendicular to plane of Fig 4) and are connected to one another and rest on said base (61) , are integrally molded (Page 9, Line 35) proximal to said base on said body (51). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo in view of Domyo and Koch with sensor support having webs as taught by Kodera in order to provide sufficient radial and circumferential strength while reducing material as well as creep and deformation due to excess material. PNG media_image8.png 636 768 media_image8.png Greyscale Claim 16 is rejected under 35 U.S.C. 103 as being unpatentable over by Domyo in view of Domyo and Takahashi et al (US20210305884A1) , hereinafter Takahashi. Regarding Claim 16, Domyo in view of Domyo discloses the electric motor according to claim 14. Domyo in view of Domyo further discloses said fasteners (75) of said bearing shield (13) but does not explicitly disclose each of said fasteners is a wobble rivet. Takahashi discloses (Figs 15A-15C) each of said fasteners (442) is a wobble rivet (Figs 14A-15C). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo in view of Domyo with wobble rivets as fasteners as taught by Takahashi in order to have an easy way to connect two mating bodies with structural integrity while not requiring much dimensional accuracy and time as some other fastening methodologies may require. PNG media_image9.png 704 218 media_image9.png Greyscale Claims 17-18 are rejected under 35 U.S.C. 103 as being unpatentable over by Domyo in view of Domyo and Kodera. Regarding Claim 17, Domyo in view of Domyo discloses the electric motor according to claim 15. Domyo in view of Domyo further discloses, wherein said sensor support (51) has rings (space around bolt 75 on tab 72) , one of said rings is disposed concentrically (space around can be concentric) with each said passage opening and is integrally molded on said tab (72) on that side of each said tab that faces (72 is facing 13) said bearing shield (13). Further (if rings are intended to be a projection), Kodera discloses (Figs 1,11) wherein said sensor support (51) has rings (81a, 82a), one of said rings is disposed concentrically with each said passage opening (81,82) and is integrally molded on said tab (54) on that side of each said tab that faces (Fig 1) said bearing shield (13). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo in view of Domyo with concentric rings as taught by Kodera in order to have a controlled flat surface for bolt tightening. PNG media_image10.png 308 442 media_image10.png Greyscale Regarding Claim 18, Domyo in view of Domyo discloses the electric motor according to claim 15. Domyo in view of Domyo does not explicitly disclose said sensor support has flanges and ribs, each said passage opening, on that side that faces away from said bearing shield, is partially surrounded by one of said flanges projecting parallel to the rotor axis, said ribs running radially relative to a respective said passage opening and being formed on each said flange. Kodera discloses (Fig 8) said sensor support (51) has flanges (84,85,86 and connections in between) and ribs (87,88), each said passage opening (81,82), on that side that faces away (Fig 1) from said bearing shield (13), is partially surrounded (Fig 8) by one of said flanges projecting parallel to the rotor axis (AA), said ribs running radially (R) relative to a respective said passage opening (81,82) and being formed (Fig 8) on each said flange. It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo in view of Domyo with flanges and ribs as taught by Kodera in order to have a desired design choice of bolt tightening structure. PNG media_image11.png 520 808 media_image11.png Greyscale Claims 20,22 are rejected under 35 U.S.C. 103 as being unpatentable over by Domyo in view of Domyo and Yun (US20210039619A1). Regarding Claim 20, Domyo in view of Domyo discloses the electric motor according to claim 11. but does not explicitly disclose wherein the ancillary unit is an electromechanical brake booster. Yun discloses (Fig 1) wherein the ancillary unit 92) is an electromechanical brake booster (Abstract). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed electric motor of Domyo in view of Domyo with usage in electromechanical brake booster as taught by Yun in order to assist by creating pressure in the braking of a vehicle. PNG media_image12.png 530 522 media_image12.png Greyscale Regarding Claim 22, Domyo in view of Domyo discloses the ancillary unit according to claim 21 but does not explicitly disclose wherein the ancillary unit is an electromechanical brake booster. Yun discloses (Fig 1) wherein the ancillary unit 92) is an electromechanical brake booster (Abstract). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to have formed ancillary unit of Domyo in view of Domyo with usage in electromechanical brake booster as taught by Yun in order to assist by creating pressure in the braking of a vehicle. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to VISWANATHAN SUBRAMANIAN whose telephone number is (571)272-4814. The examiner can normally be reached Monday - Friday 8:30 am - 5:00 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, Christopher M Koehler can be reached at 5712723560. 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. /VISWANATHAN SUBRAMANIAN/Examiner, Art Unit 2834
Read full office action

Prosecution Timeline

Apr 08, 2024
Application Filed
Jan 08, 2026
Non-Final Rejection — §103 (current)

Precedent Cases

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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
80%
Grant Probability
99%
With Interview (+22.9%)
2y 9m
Median Time to Grant
Low
PTA Risk
Based on 198 resolved cases by this examiner. Grant probability derived from career allow rate.

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