Last updated: August 17, 2026

Application No. 18/631,522

RAW MATERIAL BUILD-UP USING ADDITIVE MANUFACTURING

Non-Final OA

Filed

Apr 10, 2024

Examiner

MCGUTHRY BANKS, TIMA MICHELE

Art Unit

Tech Center

Assignee

Pratt & Whitney Canada Corp.

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 1178 resolved cases, 2023–2026

Examiner Intelligence

MCGUTHRY BANKS, TIMA MICHELE View full profile →

Grants 82% — above average

Career Allowance Rate

962 granted / 1178 resolved

+21.7% vs TC avg

Minimal +2% lift

Without

With

+2.2%

Interview Lift

resolved cases with interview

Typical timeline

2y 4m

Avg Prosecution

55 currently pending

Career history

1233

Total Applications

across all art units

Statute-Specific Performance

§101

1.4%

-38.6% vs TC avg

§103

39.9%

-0.1% vs TC avg

§102

16.3%

-23.7% vs TC avg

§112

36.5%

-3.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1178 resolved cases

Prosecution Timeline

Apr 10, 2024

Application Filed

Jul 31, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/019,076

Patent 12703050

MULTI-COMPONENT FLUX

3y 6m to grant Granted Aug 11, 2026

18/036,232

Patent 12703896

PROCESS FOR RECOVERING AND PURIFYING LITHIUM

3y 3m to grant Granted Aug 11, 2026

18/246,460

Patent 12703891

ULTRAFAST FLASH JOULE HEATING SYNTHESIS METHODS AND SYSTEMS FOR PERFORMING SAME

3y 4m to grant Granted Aug 11, 2026

18/269,411

Patent 12703897

METHOD OF PRODUCING AND REFINING CARRIER-FREE LUTETIUM-177 USING CHROMATOGRAPHY

3y 1m to grant Granted Aug 11, 2026

18/037,562

Patent 12698540

Improved blast furnace distributing device with nitrogen sealing structure

3y 1m to grant Granted Aug 04, 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.

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Prosecution Projections

1-2

Expected OA Rounds

82%

Grant Probability

84%

With Interview (+2.2%)

2y 4m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1178 resolved cases by this examiner. Grant probability derived from career allowance rate.