Last updated: July 17, 2026

Application No. 18/849,013

PROCESSES FOR RECOVERY OF ONE OR MORE OF C2, C3, OR C4 OLEFINS FROM A PRODUCT STREAM OF OLEFIN PRODUCTION REACTOR SYSTEMS

Non-Final OA

Filed

Sep 20, 2024

Priority

Mar 23, 2022 — provisional 63/322,825 +1 more

Examiner

RAYMOND, KEITH MICHAEL

Art Unit

Tech Center

Assignee

Dow Global Technologies LLC

OA Round

1 (Non-Final)

This examiner grants 55% of cases after interview

— +21.8% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 405 resolved cases, 2023–2026

Examiner Intelligence

RAYMOND, KEITH MICHAEL View full profile →

Grants 55% of resolved cases

Career Allowance Rate

224 granted / 405 resolved

-4.7% vs TC avg

Strong +22% interview lift

Without

With

+21.8%

Interview Lift

resolved cases with interview

Typical timeline

3y 9m

Avg Prosecution

12 currently pending

Career history

416

Total Applications

across all art units

Statute-Specific Performance

§101

0.3%

-39.7% vs TC avg

§103

89.4%

+49.4% vs TC avg

§102

1.8%

-38.2% vs TC avg

§112

7.7%

-32.3% vs TC avg

Black line = Tech Center average estimate • Based on career data from 405 resolved cases

Prosecution Timeline

Sep 20, 2024

Application Filed

May 05, 2026

Non-Final Rejection mailed

Jul 13, 2026

Interview Requested

Precedent Cases

Applications granted by this same examiner with similar technology

18/774,966

Patent 12680538

CRYOPUMP

1y 12m to grant Granted Jul 14, 2026

18/373,052

Patent 12656056

INSTALLATION AND PROCESS FOR PRODUCTION OF A CRYOGENIC FLUID

2y 8m to grant Granted Jun 16, 2026

18/592,176

Patent 12635965

SYSTEMS, DEVICES, AND METHODS FOR NON-INVASIVE IMAGE-BASED PLAQUE ANALYSIS AND RISK DETERMINATION

2y 2m to grant Granted May 26, 2026

18/225,243

Patent 12616376

APPARATUS FOR INPUTTING COMBINED IMAGE OF PHOTOACOUSTIC IMAGE AND ULTRASONIC IMAGE AND METHOD THEREOF

2y 9m to grant Granted May 05, 2026

18/267,932

Patent 12599310

DEVICE, METHOD AND SYSTEMS FOR PROVIDING IMAGING OF ONE OR MORE ASPECTS OF BLOOD PERFUSION

2y 10m to grant Granted Apr 14, 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

55%

Grant Probability

77%

With Interview (+21.8%)

3y 9m (~1y 11m remaining)

Median Time to Grant

Low

PTA Risk

Based on 405 resolved cases by this examiner. Grant probability derived from career allowance rate.