Last updated: July 17, 2026

Application No. 35/525,767

Floor cleaning appliance

Non-Final OA

Filed

Jun 23, 2025

Priority

Jan 24, 2025 — CN 202530050886X

Examiner

CZYZ, STEVEN J

Art Unit

2951

Tech Center

2900

Assignee

Beijing Roborock Technology Co., Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +2.2% interview lift. Interview lift (+2.2%) is below the 15.0% threshold. A written response is recommended.

Based on 966 resolved cases, 2023–2026

Examiner Intelligence

CZYZ, STEVEN J View full profile →

Grants 94% — above average

Career Allowance Rate

905 granted / 966 resolved

+33.7% vs TC avg

Minimal +2% lift

Without

With

+2.2%

Interview Lift

resolved cases with interview

Fast prosecutor

1y 8m

Avg Prosecution

9 currently pending

Career history

972

Total Applications

across all art units

Statute-Specific Performance

§103

2.8%

-37.2% vs TC avg

§102

3.8%

-36.2% vs TC avg

§112

91.4%

+51.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 966 resolved cases

Prosecution Timeline

Jun 23, 2025

Application Filed

Jun 04, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

35/524,312

Patent D1123353

Oral cleansing device case

1y 2m to grant Granted Apr 28, 2026

29/826,885

Patent D1104569

FLOORING SAMPLE DISPLAY STAND

3y 9m to grant Granted Dec 09, 2025

29/939,947

Patent D1104576

Clothes Rack

1y 7m to grant Granted Dec 09, 2025

29/951,258

Patent D1104447

Knitting Machine

1y 5m to grant Granted Dec 09, 2025

29/989,116

Patent D1105400

FOLDING FAN

10m to grant Granted Dec 09, 2025

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

1-2

Expected OA Rounds

94%

Grant Probability

96%

With Interview (+2.2%)

1y 8m (~7m remaining)

Median Time to Grant

Low

PTA Risk

Based on 966 resolved cases by this examiner. Grant probability derived from career allowance rate.