Prosecution Insights
Last updated: April 19, 2026
Application No. 18/321,802

CONSTRUCTION SYSTEM FOR CONSTRUCTION WORK

Non-Final OA §102§112
Filed
May 23, 2023
Examiner
LIU, XUE H
Art Unit
1742
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Fivegrand International Co. Ltd.
OA Round
1 (Non-Final)
73%
Grant Probability
Favorable
1-2
OA Rounds
3y 5m
To Grant
85%
With Interview

Examiner Intelligence

Grants 73% — above average
73%
Career Allow Rate
622 granted / 854 resolved
+7.8% vs TC avg
Moderate +12% lift
Without
With
+12.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
28 currently pending
Career history
882
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
47.4%
+7.4% vs TC avg
§102
22.0%
-18.0% vs TC avg
§112
24.3%
-15.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 854 resolved cases

Office Action

§102 §112
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 § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 7-8 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 7 recites the limitation "the coating structure" in line 3 of the claim. There is insufficient antecedent basis for this limitation in the claim. Claim 8 recites the limitation "the coating structure" in line 3 of the claim. There is insufficient antecedent basis for this limitation in the claim. Claim 8 recites the limitation "the carrier device" in line 6 of the claim. There is insufficient antecedent basis for this limitation in the claim. 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) 1-9 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Zhou et al. (English translation of CN112192578). Regarding claim 1, Zhou et al. discloses a construction system 1 for construction work applied to set up a construction object 2 on a target position, the construction system comprising: A feed structure 8, used to provide an intermediate material; and A setup structure 6, used to set up the construction object on the target position via the intermediate material (fig. 1-2, claim 1, abstract). Regarding claim 2, Zhou et al. discloses further comprising a coating structure 8 used to receive the intermediate material provided by the feed structure, and to coat the target position with the intermediate material (see fig. 1-2, abstract, claim 1). Regarding claim 3, Zhou et al. discloses wherein the setup structure is a vacuum suction structure 4 to suck and attach the construction object by vacuum suction during setup (abstract, claim 1, fig. 1-2). Regarding claim 4, Zhou et al. discloses wherein the vacuum suction structure comprises an air compressor (inherent) and a vacuum pipeline (claim 1, abstract), and the vacuum pipeline is arranged at the setup structure and is connected to the air compressor. Regarding claim 5, Zhou et al. discloses wherein the setup structure comprises a motion space or a movable pressure unit 5 (fig. 1, para 13, 19, claim 7). Regarding claim 6, Zhou et al. discloses wherein the setup structure further comprises a pressure element used to provide the setup structure or a movable pressure unit with a pressurizing force on the construction object, or to provide a buffer force, or to provide elasticity, or to control a depth by which the construction object is pressed into the intermediate material, or to limit the pressurizing force (para 19, claim 7). Regarding claim 7, Zhou et al. discloses a control device, used to control the coating structure, the feed structure, or the setup structure, the control device having information corresponding to the target position, and used to drive the coating structure according to the information to coat the target position, or to drive the setup structure according to the information to set up the construction object to the target position (fig. 2, claim 1, abstract). Regarding claim 8, Zhou et al. discloses a control device, used to control the coating structure, the feed structure, or the setup structure to perform a matrix movement, longitudinal movement, lateral movement, or rotational movement; Wherein, the carrier device 1 is located on a current position while the coating structure, the feed structure, or the setup structure performs coating, feeding, or setting up on the target position; once the coating structure, the feed structure, or the setup structure completes a coating, feeding, or setting up task on the target position, the construction system for construction work is adapted to be moved to another current position for the coating structure, the feed structure, or the setup structure to perform coating, feeding, or setting up on another target position; or the control deice is used to control a carrier device to correspond to a coating, feeding, or setting up sequence of the coating structure, the feed structure, or the setup structure for different positions, and to move among different current positions (abstract, claim 1-2, 4, 6-8, fig. 1-2). Regarding claim 9, Zhou et al. discloses an identification device 7, used to identify, set, or calculate a distance of a predetermined distance in between each construction object so as to place the construction object at a set distance or position (fig. 1-2, abstract, claim 1, 4, 6). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to XUE H LIU whose telephone number is (571)270-5522. The examiner can normally be reached 1PM - 10PM. 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, Christina Johnson can be reached at 5702721176. 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. /X.H.L/Examiner, Art Unit 1742 /CHRISTINA A JOHNSON/Supervisory Patent Examiner, Art Unit 1742
Read full office action

Prosecution Timeline

May 23, 2023
Application Filed
Jan 09, 2026
Non-Final Rejection — §102, §112 (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
73%
Grant Probability
85%
With Interview (+12.4%)
3y 5m
Median Time to Grant
Low
PTA Risk
Based on 854 resolved cases by this examiner. Grant probability derived from career allow rate.

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