Prosecution Insights
Last updated: April 19, 2026
Application No. 18/440,934

Work Machine

Non-Final OA §102
Filed
Feb 13, 2024
Examiner
DALLO, JOSEPH J
Art Unit
3747
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Yanmar Holdings Co. Ltd.
OA Round
1 (Non-Final)
90%
Grant Probability
Favorable
1-2
OA Rounds
2y 3m
To Grant
97%
With Interview

Examiner Intelligence

Grants 90% — above average
90%
Career Allow Rate
733 granted / 818 resolved
+19.6% vs TC avg
Moderate +7% lift
Without
With
+7.1%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
24 currently pending
Career history
842
Total Applications
across all art units

Statute-Specific Performance

§101
4.6%
-35.4% vs TC avg
§103
32.5%
-7.5% vs TC avg
§102
44.9%
+4.9% vs TC avg
§112
15.8%
-24.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 818 resolved cases

Office Action

§102
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 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 1-8 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Torii et al WO 2019/168150 (English translation provided). Regarding claim 1, Torii et al discloses a work machine 1 comprising: an engine 10 having an output shaft 10A projecting to one side in a lateral direction of a machine body 2; a hydraulic pump 11 disposed on the other side in the lateral direction of the engine (see FIG. 1); an exhaust treatment device 18 disposed above the engine and treating exhaust gas discharged from the engine (see FIG. 1); and an alternator 38 driven by rotational power of the output shaft, wherein the alternator is disposed at a position behind the engine and below the exhaust treatment device. See FIG. 1, 2, and 28 and corresponding text. Regarding claim 2, Torii et al discloses a compressor 37 driven by the rotational power of the output shaft and disposed below the alternator. See FIG. 1, 2, and 28 and corresponding text. Regarding claim 3, Torii et al discloses wherein at least a part of the compressor is positioned behind the alternator in the machine body. See FIG. 1, 2, and 28 and corresponding text. Regarding claim 4, Torii et al discloses wherein the engine is installed in an engine room ER disposed in a rear portion of the machine body, the work machine further includes a shielding portion 30 that covers the engine room from a rear side and has an opening portion that exposes the engine room to an outside, and a cover body that covers the opening portion in an openable/closable manner, the alternator is disposed at a position at which at least a portion of the alternator overlaps an opening range of the opening portion in a rear view of the machine body, and the compressor is disposed at a position at which at least a portion of the compressor overlaps the shielding portion in a rear view of the machine body. See FIG. 27 and 28 and corresponding text. Regarding claim 5, Torii et al discloses wherein the exhaust treatment device includes a cylindrical filter case (DPF muffler 18A) into which exhaust gas discharged from the engine is introduced, and the filter case is disposed in a direction in which a longitudinal direction of the filter case is a front-rear direction of the machine body. See FIG. 20 and 28 and corresponding text. Regarding claim 6, Torii et al discloses wherein the alternator is disposed in a state in which one end side of the alternator is supported in a rotatable manner on the engine, and the other end side of the alternator is fixed to and supported by a support bracket (120, 184) extending from a support member supporting the exhaust treatment device with respect to the engine toward rear of the machine body in a position changeable manner to allow rotation of the alternator. See FIG. 1, 2, and 28 and corresponding text. Regarding claim 7, Torii et al discloses a fan 12 disposed on one side of the engine in the lateral direction; and a protection member 13 detachable from the shielding portion and shielding a part of the opening portion, wherein the protection member is disposed such that at least a part of the protection member overlaps a space between the engine and the fan in the rear view of the machine body. See FIG. 1, 2, and 28 and corresponding text. Regarding claim 8, Torii et al discloses wherein the shielding portion includes a shielding main body portion forming a lower portion of the shielding portion and projecting portions extending upward from both left and right ends of the shielding main body portion and forming the opening portion together with the shielding main body portion, and the protection member is disposed for one of the left and right projecting portions. See FIG. 1, 2, and 28 and corresponding text. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to JOSEPH J DALLO whose telephone number is (313)446-4844. The examiner can normally be reached 7am-7pm ET M-Th. 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, Phutthiwat(Pat) Wongwian can be reached at 571-270-5426. 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. /JOSEPH J DALLO/ Primary Examiner, Art Unit 3747
Read full office action

Prosecution Timeline

Feb 13, 2024
Application Filed
Jan 11, 2026
Non-Final Rejection — §102 (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
90%
Grant Probability
97%
With Interview (+7.1%)
2y 3m
Median Time to Grant
Low
PTA Risk
Based on 818 resolved cases by this examiner. Grant probability derived from career allow rate.

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