Prosecution Insights
Last updated: July 17, 2026
Application No. 18/725,789

SELF-CLEANING DUST-COLLECTING BASE AND DUST-COLLECTING SYSTEM

Non-Final OA §102
Filed
Jun 30, 2024
Priority
Dec 31, 2021 — CN 202111675965.7 +1 more
Examiner
JENNINGS, MICHAEL DEANGILO
Art Unit
Tech Center
Assignee
Beijing Roborock Technology Co., Ltd.
OA Round
1 (Non-Final)
78%
Grant Probability
Favorable
1-2
OA Rounds
5m
Est. Remaining
92%
With Interview

Examiner Intelligence

Grants 78% — above average
78%
Career Allowance Rate
859 granted / 1104 resolved
+17.8% vs TC avg
Moderate +14% lift
Without
With
+14.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
37 currently pending
Career history
1126
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
53.4%
+13.4% vs TC avg
§102
23.1%
-16.9% vs TC avg
§112
16.9%
-23.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1104 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 . Rejections 35 U.S.C. § 102(a)(1) 1. 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 and 11 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by U.S. Patent Publication (2021/0030244) to Won et al. Regarding independent claim 1, Won et al. discloses a self-cleaning dust collection seat body (120), wherein the self-cleaning dust collection seat body (120) comprises a dust collection chamber (152) and a dust collection hood (150) with that the dust collection chamber (See FIG. 3-the space receiving the bin (124)), with an opening facing upward and forward (See FIG. 3), is arranged at a top end of the self-cleaning dust collection seat body (100) (See paragraph [0054]); the dust collection hood (150) is detachably buckled on the dust collection chamber (152) to form a dust collection bin for accommodating a garbage receiving device; and wherein at least a part of an outer surface of the dust collection hood (150) is used as a part of an exterior surface of the self-cleaning dust collection seat (100) (See paragraph [0055] and FIG. 3). Regarding claim 11, Won et al. discloses an automatic cleaning device (10) and self-cleaning dust collection seat body (120), wherein the self-cleaning dust collection seat body (120) comprises a dust collection chamber (152) and a dust collection hood (150) with that the dust collection chamber (See FIG. 3-the space receiving the bin (124)), with an opening facing upward and forward (See FIG. 3), is arranged at a top end of the self-cleaning dust collection seat body (100) (See paragraph [0054]); the dust collection hood (150) is detachably buckled on the dust collection chamber (152) to form a dust collection bin for accommodating a garbage receiving device (capable of receiving a garbage device); and wherein at least a part of an outer surface of the dust collection hood (150) is used as a part of an exterior surface of the self-cleaning dust collection seat (100) (See paragraph [0055] and FIG. 3). Allowable Subject Matter 2. Claims 2-10 and 12-20 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Conclusion 3. Any inquiry concerning this communication or earlier communications from the examiner should be directed to MICHAEL D. JENNINGS whose telephone number is (571)270-1536. The examiner can normally be reached M-F 8-4:30pm. 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, Monica S. Carter can be reached at (571) 272-4475. 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. MICHAEL DEANGILO. JENNINGS Examiner Art Unit 3723 /MICHAEL D JENNINGS/Primary Examiner, Art Unit 3723
Read full office action

Prosecution Timeline

Jun 30, 2024
Application Filed
Jun 03, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12678004
USER-GUIDED SELF-PROPELLED CLEANING DEVICE
3y 4m to grant Granted Jul 14, 2026
Patent 12673640
CLEANING UNIT AND CLEANING ARRANGEMENT FOR VEHICLE TIRES
3y 0m to grant Granted Jul 07, 2026
Patent 12667235
A CLEANER HEAD FOR A CLEANING APPLIANCE
4y 0m to grant Granted Jun 30, 2026
Patent 12667232
ROTATABLE DUAL-PURPOSE AXIAL-FLOW BLOWER/VACUUM
2y 7m to grant Granted Jun 30, 2026
Patent 12653651
ORAL TREATMENT DEVICE
3y 0m to grant Granted Jun 16, 2026
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
78%
Grant Probability
92%
With Interview (+14.3%)
2y 5m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1104 resolved cases by this examiner. Grant probability derived from career allowance rate.

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