Last updated: July 26, 2026

Application No. 18/468,324

EFFICIENT REMOVAL AND STORAGE OF CARBON DIOXIDE

Final Rejection

Filed

Sep 15, 2023

Priority

Sep 16, 2022 — provisional 63/407,194 +2 more

Examiner

HENDRICKSON, STUART L

Art Unit

1736

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Carba Inc.

OA Round

2 (Final)

Interview Optional

— +8.3% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 72% grant rate with +8.3% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 994 resolved cases, 2023–2026

Examiner Intelligence

HENDRICKSON, STUART L View full profile →

Grants 72% — above average

Career Allowance Rate

719 granted / 994 resolved

+7.3% vs TC avg

Moderate +8% lift

Without

With

+8.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

30 currently pending

Career history

1021

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

78.6%

+38.6% vs TC avg

§102

0.7%

-39.3% vs TC avg

§112

9.2%

-30.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 994 resolved cases

Prosecution Timeline

Sep 15, 2023

Application Filed

Feb 17, 2026

Non-Final Rejection mailed

Jun 15, 2026

Applicant Interview (Telephonic)

Jun 15, 2026

Examiner Interview Summary

Jun 17, 2026

Response Filed

Jul 06, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/852,694

Patent 12686817

METHODS FOR SYNTHESIZING FLUORESCENT CQDs AND NITROGEN-PHOSPHORUS CO-DOPED FLUORESCENT CQDs AND APPLICATION THEREOF

4y 0m to grant Granted Jul 21, 2026

17/854,216

Patent 12686617

BORON AND NITROGEN CO-DOPED GRAPHENE OXIDE GELS AND USES THEREOF

4y 0m to grant Granted Jul 21, 2026

17/739,191

Patent 12679735

BIO-OIL LIGHT FRACTION-BASED BREAD-SHAPED POROUS ACTIVATED CARBON, METHOD FOR PREPARING THE SAME AND USE THEREOF

4y 2m to grant Granted Jul 14, 2026

18/318,418

Patent 12679732

Two-dimensional polymeric fullerene and preparation method thereof

3y 2m to grant Granted Jul 14, 2026

17/544,361

Patent 12673878

METHOD FOR PRODUCING CALCIUM CARBONATE, CALCIUM CARBONATE, AND METHOD FOR GROWING CALCIUM CARBONATE CRYSTALS

4y 7m to grant Granted Jul 07, 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

3-4

Expected OA Rounds

72%

Grant Probability

81%

With Interview (+8.3%)

3y 1m (~3m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 994 resolved cases by this examiner. Grant probability derived from career allowance rate.