Prosecution Insights
Last updated: April 19, 2026
Application No. 18/028,119

DRIVE DEVICE FOR MOVING A LEAF

Non-Final OA §103
Filed
Mar 23, 2023
Examiner
VO, ETHAN NGUYEN
Art Unit
2834
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Dormakaba Deutschland GmbH
OA Round
3 (Non-Final)
69%
Grant Probability
Favorable
3-4
OA Rounds
2y 6m
To Grant
93%
With Interview

Examiner Intelligence

Grants 69% — above average
69%
Career Allow Rate
25 granted / 36 resolved
+1.4% vs TC avg
Strong +23% interview lift
Without
With
+23.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 6m
Avg Prosecution
33 currently pending
Career history
69
Total Applications
across all art units

Statute-Specific Performance

§103
62.2%
+22.2% vs TC avg
§102
26.5%
-13.5% vs TC avg
§112
11.3%
-28.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 36 resolved cases

Office Action

§103
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 Arguments Applicant's arguments filed 11/26/25 have been fully considered but they are not persuasive. Applicant’s arguments with respect to claim(s) 1-15 have been considered but are moot because the new ground of rejection does not rely on any reference applied in the prior rejection of record for any teaching or matter specifically challenged in the argument. 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. Claims 1-2, 4-5, 7, and 9-11 are rejected under 35 U.S.C. 103 as being unpatentable over Laber (US 2022/0368190) and in view of Koenen (US 20190074744). As to claim 1, Laber discloses a drive device (Paragraph 0010) for moving a leaf (Regarding applicant’s 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), with an electric machine (Paragraph 0010), wherein the electric machine is designed as an axial flux machine (Paragraph 0007) comprising single, stator (20; Fig. 1) and single, rotor (14; Fig. 1), configured to be rotated about a machine axis with respect to the stator (Paragraph 0007) wherein the stator comprises a stator base which has a plate-shaped base section (Fig. 3) and a plurality of stator teeth protruding from a common surface of the base section (Fig. 3), in the axial direction of the electric machine, whereby at least one coil is wound directly or indirectly around at least one stator tooth (Fig. 3). PNG media_image1.png 561 420 media_image1.png Greyscale PNG media_image2.png 550 415 media_image2.png Greyscale Laber fails to disclose wherein the rotor comprises at least one permanent magnet, wherein the permanent magnet is arranged along a virtual circle around the machine axis and spans a first angular range, and the stator comprises a stator base with at least one stator tooth protruding from the stator base, wherein the stator tooth is arranged along a virtual circle around the machine axis and spans a second angular range, wherein the ratio of the first angular range as a dividend to the second angular range is in the range from 1.1 to 1.6. Koenen, however, discloses the rotor comprises at least one permanent magnet, wherein the permanent magnet is arranged along a virtual circle around the machine axis and spans a first angular range, and the stator comprises a stator base with at least one stator tooth protruding from the stator base, wherein the stator tooth is arranged along a virtual circle around the machine axis and spans a second angular range, wherein the ratio of the first angular range as a dividend to the second angular range is in the range from 1.1 to 1.6 (Para 0031). Therefore, it would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have provided the drive device of Laber with the rotor comprises at least one permanent magnet, wherein the permanent magnet is arranged along a virtual circle around the machine axis and spans a first angular range, and the stator comprises a stator base with at least one stator tooth protruding from the stator base, wherein the stator tooth is arranged along a virtual circle around the machine axis and spans a second angular range, wherein the ratio of the first angular range as a dividend to the second angular range is in the range from 1.1 to 1.6, as disclosed by Koenen, in order to optimize magnetic forces of the rotor. As to claim 2, the combination of Laber and Koenen discloses the drive device according to claim 1, wherein the stator has at least one coil (22; Fig. 1 of Laber) wherein the at least one coil of the stator are arranged in-such that a magnetic flux is generated through the at least one coil in a direction parallel to the machine axis (Paragraph 0027 of Laber). PNG media_image3.png 536 394 media_image3.png Greyscale As to claim 4, the combination of Laber and Koenen discloses the drive device according to claim 2, wherein the ratio between the number of permanent magnets as a dividend and the number of coils is in a range from 1.0 to 1.6 (Fig.2; Paragraph 0035 of Laber). PNG media_image4.png 379 479 media_image4.png Greyscale As to claim 5, the combination of Laber and Koenen discloses the drive device according to claim 1, wherein that at least one, each, stator tooth is connected to the stator base in a form-fitting manner with the stator base (Fig. 3 of Laber). PNG media_image5.png 541 412 media_image5.png Greyscale As to claim 7, the combination of Laber and Koenen discloses the drive device according to claim 1, wherein the stator base has a bearing mount (Paragraph 0027 of Laber) for receiving a roller bearing (28, 30; Fig. 1 of Laber), wherein the drive device comprises the roller bearing for rotatably bearing the rotor with respect to the stator (Paragraph 0027; Fig. 1 of Laber), wherein the roller bearing is received in the bearing mount of the stator base (Paragraph 0027; Fig. 1 of Laber). PNG media_image6.png 466 481 media_image6.png Greyscale PNG media_image7.png 323 473 media_image7.png Greyscale As to claim 9, the combination of Laber and Koenen discloses the drive device according to claim 1, wherein the drive device has a gear coupled to the electric machine, and the gear is designed as a toothed gear (Fig. 10 of Laber). PNG media_image8.png 315 486 media_image8.png Greyscale As to claim 10, the combination of Laber and Koenen discloses the drive device according to claim 9, wherein at least one first gear element of the gear is arranged coaxially to the electric machine, and the rotor is connected in a rotationally- fixed manner to the first gear element of the gear (Fig. 10 of Laber). PNG media_image9.png 325 476 media_image9.png Greyscale As to claim 11, the combination of Laber and Koenen discloses the drive device according to claim 9, wherein the gear has a first gear element, which is connected in a rotationally-fixed manner to the rotor, and a second gear element, wherein the second gear element is operatively connected (Fig. 10 of Laber), with the first gear element, wherein an axis of rotation of the second gear element runs in an installation space between the machine axis and an outer lateral surface of the rotor that is extended virtually in the axial direction of the electric machine (Fig. 10 of Laber). PNG media_image10.png 372 484 media_image10.png Greyscale Claim 6 is rejected under 35 U.S.C. 103 as being unpatentable over Laber, Koenen, and in view of Henry (US 2019/0006901). As to claim 6, the combination of Laber and Koenen discloses the drive device according to claim 5, stator teeth and a plurality of coils. Laber fails to disclose wherein at least one of the stator teeth has an, electrically insulating, tooth cover, wherein the stator has a plurality of coils and at least one of the coils is wound around the tooth cover. Henry, however, discloses wherein at least one of the stator teeth has an, electrically insulating, tooth cover (Paragraph 0031), wherein the stator has a plurality of coils and at least one of the coils is wound around the tooth cover (Paragraph 0052). Therefore, it would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have provided the drive device of Laber with at least one of the stator teeth has an, electrically insulating, tooth cover, wherein the stator has a plurality of coils and at least one of the coils is wound around the tooth cover, as disclosed by Henry, in order to provide a means of insulation to prevent short circuiting and minimize energy loss. Claim 8 is rejected under 35 U.S.C. 103 as being unpatentable over Laber, Koenen, and further in view of Russalian (US 2021/0044050). As to claim 8, the combination of Laber and Koenen discloses the drive device according to claim, wherein the drive device has a stator that has one or a plurality of coils. Laber fails to disclose a circuit board and the coils are electrically connected to a circuit board. Russalian, however, discloses a circuit board and the coils are electrically connected to the circuit board (Paragraph 0025). Therefore, it would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have provided the drive device of Laber with a circuit board and the coils are electrically connected to the circuit board, as disclosed by Russalian, to gain the ability to control the power to the coils as desired for a given application. Claims 12-13 are rejected under 35 U.S.C. 103 as being unpatentable over Laber, Koenen, and further in view of Krivoy (US 2014/0123559). As to claim 12, the combination of Laber and Koenen discloses the drive device according to claim 1, the rotor. Laber fails to disclose a lever to form a connection of the drive device to the leaf or to a frame. Krivoy, however, discloses a lever (115; Paragraph 0031) to form a connection of the drive device to the leaf or to a frame (Fig. 6). PNG media_image11.png 371 461 media_image11.png Greyscale Therefore, it would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have provided the drive device of Laber with a lever to form a connection of the drive device to the leaf or to a frame, as disclosed by Krivoy, properly transmit torque from the machine to the leaf. As to claim 13, the combination of Laber and Koenen discloses the drive device according to claim 1. Laber fails to disclose a closer module with at least one mechanical energy storage device and at least one transmission element wherein the drive device has a drive module with a drive housing, wherein the axial flux machine and/or a gear coupled to the axial flux machine is arranged in the drive housing. Krivoy, however, discloses a closer module with at least one mechanical energy storage device (116; Paragraph 0023) and at least one transmission element (112; Paragraph 0023) wherein the drive device has a drive module (100; Paragraph 0025) with a drive housing (104; Paragraph 0026), wherein the axial flux machine is arranged in the drive housing (Paragraph 0026). Therefore, it would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have provided the drive device of Laber with a closer module with at least one mechanical energy storage device and at least one transmission element wherein the drive device has a drive module with a drive housing, wherein the axial flux machine is arranged in the drive housing, as disclosed by Krivoy, to allow for proper energy release and storage. Claim 14 is rejected under 35 U.S.C. 103 as being unpatentable over Laber, Koenen, Krivoy, and further in view of Jongen (US 2023/0286011). As to claim 14, the combination of Laber, Koenen, and Krivoy discloses the drive device according to claim 13, and the gear. Laber fails to disclose the gear has a transmission ratio as a quotient of the speed of the rotor as a dividend and the speed of the transmission element, which is less than 125. Jongen, however, discloses the gear has a transmission ratio (Paragraph 0030) as a quotient of the speed of the rotor (Paragraph 0030; “The input element may be, for example, an input shaft”) as a dividend and the speed of the transmission element (Paragraph 0030 and 0031; “The gearing output of the belt drive can be coupled to the gearing input of the reduction gearing.”,” The respective reduction gear can be an eccentric gear”, “The eccentric gears can, for example, be cycloidal gears in which cam discs”), which is less than 125 (Paragraph 0031; “In one form, the transmission ratio of the reduction gears is in a range from i=50 to i=200”). Therefore, it would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have provided the drive device of Laber with the gear has a transmission ratio as a quotient of the speed of the rotor as a dividend and the speed of the transmission element, which is less than 125, as disclosed by Jongen, to ensure a compact design of the gears. Claims 15 is rejected under 35 U.S.C. 103 as being unpatentable over Laber, Koenen, and further in view of Chen (US 2022/0170307). As to claim 15, the combination of Laber and Koenen discloses the drive device according to claim 1. Laber fails to disclose a use of a drive device in a swing leaf drive. Chen, however, discloses a use of a drive device in a swing leaf drive (Paragraph 0022) Therefore, it would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention to have provided the drive device of Laber with a use of a drive device in a swing leaf drive, as disclosed by Chen, to allow for the operation of opening and closing. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ETHAN N VO whose telephone number is (571)270-7593. The examiner can normally be reached Mon-Fri 8:30am - 5pm. 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 on 571 272 3560. 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. /ETHAN NGUYEN VO/ Examiner, Art Unit 2834 /CHRISTOPHER M KOEHLER/Supervisory Patent Examiner, Art Unit 2834
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Prosecution Timeline

Mar 23, 2023
Application Filed
Mar 24, 2023
Response after Non-Final Action
Apr 14, 2025
Non-Final Rejection — §103
Aug 18, 2025
Response Filed
Aug 21, 2025
Final Rejection — §103
Nov 26, 2025
Response after Non-Final Action
Dec 23, 2025
Request for Continued Examination
Jan 13, 2026
Response after Non-Final Action
Mar 20, 2026
Non-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
69%
Grant Probability
93%
With Interview (+23.2%)
2y 6m
Median Time to Grant
High
PTA Risk
Based on 36 resolved cases by this examiner. Grant probability derived from career allow rate.

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