Last updated: July 05, 2026

Application No. 18/291,799

IMPURITY REDUCTION TECHNIQUES IN GALLIUM NITRIDE REGROWTH

Non-Final OA

Filed

Jan 24, 2024

Priority

Aug 03, 2021 — nonprovisional of PCTUS2021044355

Examiner

MIHALIOV, DMITRI

Art Unit

2812

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Analog Devices Inc.

OA Round

1 (Non-Final)

Interview Optional

— +33.3% interview lift. Examiner has a relatively high allowance rate (75%); +33.3% interview lift. A written response may suffice.

Based on 24 resolved cases, 2023–2026

Examiner Intelligence

MIHALIOV, DMITRI View full profile →

Grants 75% — above average

Career Allowance Rate

18 granted / 24 resolved

+7.0% vs TC avg

Strong +33% interview lift

Without

With

+33.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 5m

Avg Prosecution

26 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

80.5%

+40.5% vs TC avg

§102

14.2%

-25.8% vs TC avg

§112

2.7%

-37.3% vs TC avg

Black line = Tech Center average estimate • Based on career data from 24 resolved cases

Prosecution Timeline

Jan 24, 2024

Application Filed

Apr 06, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/057,972

Patent 12672303

HIGH ELECTRON MOBITY TRANSISTOR WITH GRADIENT ALUMINUM COMPOSITION IN BARRIER LAYER

3y 7m to grant Granted Jun 30, 2026

18/191,067

Patent 12666637

NANOSTRUCTURE FIELD-EFFECT TRANSISTOR DEVICE AND METHOD OF FORMING

3y 2m to grant Granted Jun 23, 2026

18/317,944

Patent 12652841

EPITAXIAL STRUCTURE

3y 0m to grant Granted Jun 09, 2026

17/873,085

Patent 12642109

SEMICONDUCTOR SUBSTRATE INCLUDING FIRST AND SECOND CONDUCTIVE POSTS AND A PLURALITY OF FIRST AND SECOND CIRCUIT LAYER PADS

3y 10m to grant Granted May 26, 2026

17/918,116

Patent 12641824

SEMICONDUCTOR DEVICE AND POWER CONVERTER

3y 7m to grant Granted May 26, 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

75%

Grant Probability

99%

With Interview (+33.3%)

3y 5m (~1y 0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 24 resolved cases by this examiner. Grant probability derived from career allowance rate.