Last updated: April 24, 2026

Application No. 18/814,209

Untitled Application

Unknown

Filed

2600

Examiner

WITHEY, THEODORE JOHN

Art Unit

2655

Tech Center

Hitachi, Ltd.

Assignee

Hitachi, Ltd.

OA Round

1 (Non-Final)

This examiner grants 44% of cases after interview

— +46.9% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 23 resolved cases, 2023–2026

Examiner Intelligence

WITHEY, THEODORE JOHN View full profile →

Grants 44% of resolved cases

Career Allow Rate

10 granted / 23 resolved

-16.5% vs TC avg

Strong +47% interview lift

Without

With

+46.9%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

40 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§101

21.7%

-18.3% vs TC avg

§103

49.3%

+9.3% vs TC avg

§102

16.9%

-23.1% vs TC avg

§112

11.8%

-28.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 23 resolved cases

Prosecution Timeline

2600

Application Filed

Mar 05, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/655,770

Patent 12591744

METHOD FOR TRAINING SEMANTIC REPRESENTATION MODEL, DEVICE AND STORAGE MEDIUM

2y 5m to grant Granted Mar 31, 2026

18/113,192

Patent 12536994

APPARATUS FOR CLASSIFYING SOUNDS BASED ON NEURAL CODE IN SPIKING NEURAL NETWORK AND METHOD THEREOF

2y 5m to grant Granted Jan 27, 2026

17/956,558

Patent 12475330

METHOD FOR IDENTIFYING NOISE SAMPLES, ELECTRONIC DEVICE, AND STORAGE MEDIUM

2y 5m to grant Granted Nov 18, 2025

17/813,944

Patent 12417759

SPEECH RECOGNITION USING CADENCE PATTERNS

2y 5m to grant Granted Sep 16, 2025

17/986,417

Patent 12412580

Sound Extraction System and Sound Extraction Method

2y 5m to grant Granted Sep 09, 2025

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

1-2

Expected OA Rounds

44%

Grant Probability

90%

With Interview (+46.9%)

2y 11m

Median Time to Grant

Low

PTA Risk

Based on 23 resolved cases by this examiner. Grant probability derived from career allow rate.