Last updated: July 17, 2026

Application No. 18/759,458

HYDROCONVERSION OF A BIOMASS FEEDSTOCK TO HYDROCARBON FUELS IN A SLURRY PHASE CATALYST REACTOR

Non-Final OA

Filed

Jun 28, 2024

Priority

Jun 28, 2023 — provisional 63/510,651

Examiner

SINGH, PREM C

Art Unit

1771

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Chevron U.s.a. Inc.

OA Round

1 (Non-Final)

Interview Optional

— +33.1% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 59% grant rate with +33.1% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 356 resolved cases, 2023–2026

Examiner Intelligence

SINGH, PREM C View full profile →

Grants 59% of resolved cases

Career Allowance Rate

210 granted / 356 resolved

-6.0% vs TC avg

Strong +33% interview lift

Without

With

+33.1%

Interview Lift

resolved cases with interview

Typical timeline

4y 0m

Avg Prosecution

9 currently pending

Career history

362

Total Applications

across all art units

Statute-Specific Performance

§101

0.3%

-39.7% vs TC avg

§103

83.7%

+43.7% vs TC avg

§102

1.3%

-38.7% vs TC avg

§112

0.5%

-39.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 356 resolved cases

Prosecution Timeline

Jun 28, 2024

Application Filed

Mar 26, 2026

Non-Final Rejection mailed

Jun 01, 2026

Interview Requested

Jun 17, 2026

Applicant Interview (Telephonic)

Jun 18, 2026

Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

18/691,096

Patent 12680028

HEAT INTEGRATION WITH PYROLYSIS OIL AND A HEAT TRANSFER MEDIUM FOR CHEMICAL FACILITIES

2y 4m to grant Granted Jul 14, 2026

18/003,505

Patent 12655170

DEVICE AND METHOD FOR PRODUCING SUCROSE-6-ESTER

3y 5m to grant Granted Jun 16, 2026

18/062,065

Patent 12655060

System and process for oxy-fuel calcination of lime-bearing sludge

3y 6m to grant Granted Jun 16, 2026

18/147,233

Patent 12623210

COMPOSITIONS, METHODS, AND APPARATUSES FOR CATALYTIC COMBUSTION

3y 4m to grant Granted May 12, 2026

18/067,334

Patent 12521689

CONTINUOUS SYNTHESIS SYSTEM OF UREA

3y 0m to grant Granted Jan 13, 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

59%

Grant Probability

92%

With Interview (+33.1%)

4y 0m (~1y 12m remaining)

Median Time to Grant

Low

PTA Risk

Based on 356 resolved cases by this examiner. Grant probability derived from career allowance rate.