Last updated: April 19, 2026

Application No. 17/974,715

MASK

Final Rejection

Filed

Oct 27, 2022

Examiner

NGUYEN, CAMTU TRAN

Art Unit

3786

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Murata Manufacturing Co. Ltd.

OA Round

3 (Final)

This examiner grants 63% of cases after interview

— +39.0% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 850 resolved cases, 2023–2026

Examiner Intelligence

NGUYEN, CAMTU TRAN View full profile →

Grants 63% of resolved cases

Career Allow Rate

534 granted / 850 resolved

-7.2% vs TC avg

Strong +39% interview lift

Without

With

+39.0%

Interview Lift

resolved cases with interview

Typical timeline

3y 7m

Avg Prosecution

22 currently pending

Career history

872

Total Applications

across all art units

Statute-Specific Performance

§101

4.8%

-35.2% vs TC avg

§103

38.3%

-1.7% vs TC avg

§102

21.8%

-18.2% vs TC avg

§112

28.2%

-11.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 850 resolved cases

Prosecution Timeline

Oct 27, 2022

Application Filed

Jan 11, 2025

Non-Final Rejection

Apr 09, 2025

Response Filed

Jul 22, 2025

Non-Final Rejection

Oct 23, 2025

Response Filed

Feb 21, 2026

Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/953,679

Patent 12594138

BEARING STRUCTURE AND DRAPE UNIT INCLUDING BEARING STRUCTURE

2y 5m to grant Granted Apr 07, 2026

17/957,382

Patent 12582484

AUTOMATIC PATIENT POSITIONING FOR MEDICAL EQUIPMENT

2y 5m to grant Granted Mar 24, 2026

18/774,221

Patent 12575963

APPARATUS THAT ENABLES NON-PENETRATING SEX

2y 5m to grant Granted Mar 17, 2026

17/326,018

Patent 12569199

SKIN ADHESIVE PATCH WITH REFRESHABLE PERIMETER, AND RELATED DEVICE ASSEMBLY

2y 5m to grant Granted Mar 10, 2026

18/489,748

Patent 12564520

GRADUATED COMPRESSION DEVICE FOR THE TREATMENT OF CIRCULATORY DISORDERS

2y 5m to grant Granted Mar 03, 2026

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

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.

Prosecution Projections

4-5

Expected OA Rounds

63%

Grant Probability

99%

With Interview (+39.0%)

3y 7m

Median Time to Grant

High

PTA Risk

Based on 850 resolved cases by this examiner. Grant probability derived from career allow rate.