Last updated: July 17, 2026

Application No. 18/657,451

CONVERSION OF PHOTOSYNTHETICALLY DERIVED ORGANIC CARBON TO INORGANIC CARBON

Non-Final OA

Filed

May 07, 2024

Priority

May 09, 2023 — provisional 63/501,023

Examiner

YAMASAKI, ROBERT J

Art Unit

1657

Tech Center

1600 — Biotechnology & Organic Chemistry

Assignee

Chevron Corporation

OA Round

1 (Non-Final)

Interview Optional

— +42.9% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 68% grant rate with +42.9% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 554 resolved cases, 2023–2026

Examiner Intelligence

YAMASAKI, ROBERT J View full profile →

Grants 68% — above average

Career Allowance Rate

374 granted / 554 resolved

+7.5% vs TC avg

Strong +43% interview lift

Without

With

+42.9%

Interview Lift

resolved cases with interview

Typical timeline

3y 3m

Avg Prosecution

36 currently pending

Career history

587

Total Applications

across all art units

Statute-Specific Performance

§101

1.0%

-39.0% vs TC avg

§103

55.2%

+15.2% vs TC avg

§102

4.9%

-35.1% vs TC avg

§112

10.4%

-29.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 554 resolved cases

Prosecution Timeline

May 07, 2024

Application Filed

May 08, 2026

Applicant Interview (Telephonic)

May 08, 2026

Examiner Interview Summary

Jun 01, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/264,636

Patent 12680087

MUTATED PGLB OLIGOSACCHARYLTRANSFERASE ENZYMES

2y 11m to grant Granted Jul 14, 2026

17/756,247

Patent 12674141

GENE-ENGINEERED MESENCHYMAL STEM CELLS AND APPLICATIONS THEREOF

4y 1m to grant Granted Jul 07, 2026

17/948,749

Patent 12660812

CRYOPROTECTING AGENT, CRYOPROTECTING AND CRYOPRESERVED COMPOSITIONS, USES THEREOF, AND METHODS OF CRYOPRESERVATION

3y 9m to grant Granted Jun 23, 2026

17/670,372

Patent 12649940

ENZYMATIC OLIGONUCLEOTIDE ASSEMBLY USING HAIRPINS AND ENZYMATIC CLEAVAGE

4y 3m to grant Granted Jun 09, 2026

18/776,537

Patent 12642273

METHODS OF PROTECTING A PLANT FROM A FUNGAL PEST

1y 10m to grant Granted Jun 02, 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

68%

Grant Probability

99%

With Interview (+42.9%)

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

Median Time to Grant

Low

PTA Risk

Based on 554 resolved cases by this examiner. Grant probability derived from career allowance rate.