Last updated: July 05, 2026

Application No. 18/622,861

DIRECT AIR CAPTURE OF CARBON DIOXIDE

Non-Final OA

Filed

Mar 29, 2024

Priority

Mar 31, 2023 — provisional 63/493,390

Examiner

LAWRENCE JR, FRANK M

Art Unit

1776

Tech Center

1700 — Chemical & Materials Engineering

Assignee

The Regents of the University of California

OA Round

1 (Non-Final)

Interview Optional

— +19.8% interview lift. Examiner has a relatively high allowance rate (84%); +19.8% interview lift. A written response may suffice.

Based on 1421 resolved cases, 2023–2026

Examiner Intelligence

LAWRENCE JR, FRANK M View full profile →

Grants 84% — above average

Career Allowance Rate

1192 granted / 1421 resolved

+18.9% vs TC avg

Strong +20% interview lift

Without

With

+19.8%

Interview Lift

resolved cases with interview

Typical timeline

2y 4m

Avg Prosecution

31 currently pending

Career history

1438

Total Applications

across all art units

Statute-Specific Performance

§101

0.5%

-39.5% vs TC avg

§103

59.9%

+19.9% vs TC avg

§102

9.4%

-30.6% vs TC avg

§112

20.5%

-19.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1421 resolved cases

Prosecution Timeline

Mar 29, 2024

Application Filed

Apr 09, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/342,099

Patent 12667803

HIGH RECOVERY PROCESS FOR PURIFICATION OF MULTICOMPONENT GASES

3y 0m to grant Granted Jun 30, 2026

18/441,201

Patent 12661614

FILTER ASSEMBLY FOR A THERAPEUTIC GAS DELIVERY DEVICE

2y 4m to grant Granted Jun 23, 2026

18/272,408

Patent 12654128

METHOD AND APPARATUS FOR DRYING A FLOW RICH IN CARBON DIOXIDE

2y 11m to grant Granted Jun 16, 2026

18/287,611

Patent 12654149

GIS-TYPE ZEOLITE FORMED BODY, ADSORPTION APPARATUS, SEPARATION METHOD, AND GIS-TYPE ZEOLITE

2y 8m to grant Granted Jun 16, 2026

18/406,495

Patent 12650104

Multistage Stage Separation Vortex Flow Air Filter

2y 5m to grant Granted Jun 09, 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

84%

Grant Probability

99%

With Interview (+19.8%)

2y 4m (~1m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1421 resolved cases by this examiner. Grant probability derived from career allowance rate.