Last updated: May 29, 2026

Application No. 18/516,635

NOVEL COOLANTS WITH IMPROVED STORAGE STABILITY

Final Rejection

Filed

Nov 21, 2023

Priority

Aug 26, 2020 — EU 20192954.4 +3 more

Examiner

DIAZ, MATTHEW R

Art Unit

1761

Tech Center

1700 — Chemical & Materials Engineering

Assignee

BASF Corporation

OA Round

4 (Final)

Interview Optional

— +45.0% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 53% grant rate with +45.0% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 522 resolved cases, 2023–2026

Examiner Intelligence

DIAZ, MATTHEW R View full profile →

Grants 53% of resolved cases

Career Allowance Rate

277 granted / 522 resolved

-11.9% vs TC avg

Strong +45% interview lift

Without

With

+45.0%

Interview Lift

resolved cases with interview

Typical timeline

2y 9m

Avg Prosecution

31 currently pending

Career history

573

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

83.4%

+43.4% vs TC avg

§102

5.7%

-34.3% vs TC avg

§112

6.8%

-33.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 522 resolved cases

Prosecution Timeline

Show 6 earlier events

Oct 23, 2025

Final Rejection mailed

Nov 19, 2025

Request for Continued Examination

Nov 21, 2025

Response after Non-Final Action

Feb 13, 2026

Non-Final Rejection mailed

Mar 12, 2026

Examiner Interview Summary

Mar 12, 2026

Applicant Interview (Telephonic)

Mar 31, 2026

Response Filed

May 07, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/289,595

Patent 12617990

COMPOSITIONS

5y 0m to grant Granted May 05, 2026

18/421,188

Patent 12611561

BIO-BASED, PFA-FREE FIRE FOAM CONCENTRATE COMPOSITIONS COMPRISING PLANT PROTEINS, SURFACTANTS, ALCOHOLS, AND BUILDERS, PRODUCTION THEREOF, AND USE THEREOF

2y 3m to grant Granted Apr 28, 2026

19/077,292

Patent 12611562

BIO-BASED, PFA-FREE FIRE FOAM CONCENTRATE COMPOSITIONS COMPRISING PLANT PROTEINS, SURFACTANTS, ALCOHOLS, AND BUILDERS, PRODUCTION THEREOF, AND USE THEREOF

1y 1m to grant Granted Apr 28, 2026

17/774,057

Patent 12606728

AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE (HCFC-244bb) AND WATER

3y 11m to grant Granted Apr 21, 2026

17/928,768

Patent 12606730

COOLANT COMPOSITION AND CONCENTRATED COOLANT COMPOSITION

3y 4m to grant Granted Apr 21, 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

5-6

Expected OA Rounds

53%

Grant Probability

98%

With Interview (+45.0%)

2y 9m (~3m remaining)

Median Time to Grant

High

PTA Risk

Based on 522 resolved cases by this examiner. Grant probability derived from career allowance rate.