Last updated: October 25, 2026

Application No. 18/455,652

FLOOR BRUSH AND CLEANING DEVICE

Final Rejection

Filed

Aug 25, 2023

Priority

Jan 19, 2022 — CN 202220143350.3 +3 more

Examiner

RIVERA, CARLOS A

Art Unit

3723

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Shen Zhen 3Irobotix Co. Ltd.

OA Round

2 (Final)

Interview Optional

— +28.9% interview lift. Examiner has a relatively high allowance rate (77%); +28.9% interview lift. A written response may suffice.

Based on 532 resolved cases, 2023–2026

Examiner Intelligence

RIVERA, CARLOS A View full profile →

Grants 77% — above average

Career Allowance Rate

412 granted / 532 resolved

+7.4% vs TC avg

Strong +29% interview lift

Without

With

+28.9%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

44 currently pending

Career history

580

Total Applications

across all art units

Statute-Specific Performance

§101

0.9%

-39.1% vs TC avg

§103

45.5%

+5.5% vs TC avg

§102

20.5%

-19.5% vs TC avg

§112

27.9%

-12.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 532 resolved cases

Prosecution Timeline

Aug 25, 2023

Application Filed

Jun 03, 2026

Non-Final Rejection mailed

Aug 19, 2026

Response Filed

Oct 02, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/044,862

Patent 12766667

Polishing State Analysis Prediction Program, Storage Device, Cathodeluminescence Device, and Polishing State Analysis Prediction Method

3y 1m to grant Granted Oct 20, 2026

18/358,811

Patent 12766662

POLISHING APPARATUS

3y 2m to grant Granted Oct 20, 2026

18/014,239

Patent 12758073

ROBOT CLEANER WITH GRAPHICAL USER INTERFACE FOR WATER SETTINGS

3y 9m to grant Granted Oct 13, 2026

18/315,541

Patent 12758055

Kit For Supporting An Environmentally Sustainable Personal Care Routine

3y 5m to grant Granted Oct 13, 2026

18/453,322

Patent 12752391

SUBSTRATE POLISHING APPARATUS

3y 1m to grant Granted Oct 06, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

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Prosecution Projections

3-4

Expected OA Rounds

77%

Grant Probability

99%

With Interview (+28.9%)

3y 4m (~2m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 532 resolved cases by this examiner. Grant probability derived from career allowance rate.