Last updated: July 05, 2026

Application No. 18/612,177

IMPELLER AND CLEANER USING SAME

Non-Final OA

Filed

Mar 21, 2024

Priority

Oct 29, 2021 — JP 2021-177920 +1 more

Examiner

DAVIS, JASON GREGORY

Art Unit

3745

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Samsung Electronics Co., Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +18.0% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 74% grant rate with +18.0% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 602 resolved cases, 2023–2026

Examiner Intelligence

DAVIS, JASON GREGORY View full profile →

Grants 74% — above average

Career Allowance Rate

445 granted / 602 resolved

+3.9% vs TC avg

Strong +18% interview lift

Without

With

+18.0%

Interview Lift

resolved cases with interview

Typical timeline

2y 10m

Avg Prosecution

18 currently pending

Career history

629

Total Applications

across all art units

Statute-Specific Performance

§101

2.1%

-37.9% vs TC avg

§103

68.3%

+28.3% vs TC avg

§102

6.5%

-33.5% vs TC avg

§112

21.5%

-18.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 602 resolved cases

Prosecution Timeline

Mar 21, 2024

Application Filed

Apr 13, 2026

Non-Final Rejection mailed

Jun 02, 2026

Applicant Interview (Telephonic)

Jun 02, 2026

Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

18/010,780

Patent 12655829

METHOD OF CONTROLLING A ROTOR OF A WIND TURBINE TO DEAL WITH THE RISK OF BLADE ICING

3y 6m to grant Granted Jun 16, 2026

18/939,602

Patent 12654508

BLOWER DEVICE

1y 7m to grant Granted Jun 16, 2026

19/072,473

Patent 12655849

DETERMINING AND UTILIZING A DESIRED FREQUENCY FOR A MECHANICAL SHAKER FOR A SUMP PUMP SYSTEM

1y 3m to grant Granted Jun 16, 2026

18/262,668

Patent 12644470

SUCTION LINER AND CENTRIFUGAL PUMP COMPRISING THE SAME

2y 10m to grant Granted Jun 02, 2026

18/828,583

Patent 12644459

THRUST-BALANCING CONTRA-ROTATING SYSTEM

1y 8m to grant Granted Jun 02, 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.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2

Expected OA Rounds

74%

Grant Probability

92%

With Interview (+18.0%)

2y 10m (~7m remaining)

Median Time to Grant

Low

PTA Risk

Based on 602 resolved cases by this examiner. Grant probability derived from career allowance rate.