Last updated: July 17, 2026

Application No. 18/549,509

PROCESS FOR PRODUCING OPEN-CELL RIGID POLYURETHANE FOAMS

Non-Final OA

Filed

Sep 07, 2023

Priority

Mar 09, 2021 — EU 21161602.4 +1 more

Examiner

RIETH, STEPHEN EDWARD

Art Unit

1759

Tech Center

1700 — Chemical & Materials Engineering

Assignee

BASF SE

OA Round

1 (Non-Final)

This examiner grants 45% of cases after interview

— +33.1% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 654 resolved cases, 2023–2026

Examiner Intelligence

RIETH, STEPHEN EDWARD View full profile →

Grants 45% of resolved cases

Career Allowance Rate

295 granted / 654 resolved

-19.9% vs TC avg

Strong +33% interview lift

Without

With

+33.1%

Interview Lift

resolved cases with interview

Typical timeline

3y 2m

Avg Prosecution

51 currently pending

Career history

713

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

74.1%

+34.1% vs TC avg

§102

7.4%

-32.6% vs TC avg

§112

8.1%

-31.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 654 resolved cases

Prosecution Timeline

Sep 07, 2023

Application Filed

May 13, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/007,753

Patent 12654364

METHOD FOR RECYCLING BATTERY ELECTRODES

3y 6m to grant Granted Jun 16, 2026

18/032,327

Patent 12655267

MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, PREPARATION METHOD THEREOF, RECYCLED PLASTIC, AND MOLDED PRODUCT USING THE SAME

3y 2m to grant Granted Jun 16, 2026

17/881,695

Patent 12630664

CHEMICALLY MODIFIED SHAPE MEMORY POLYMER EMBOLIC FOAMS WITH INCREASED X-RAY VISUALIZATION

3y 9m to grant Granted May 19, 2026

17/001,401

Patent 12625134

COMPLEX LIQUID CRYSTAL DROPLETS

5y 8m to grant Granted May 12, 2026

17/845,805

Patent 12623392

POLYMER RECYCLATE PROCESSES AND PRODUCTS

3y 10m to grant Granted May 12, 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

45%

Grant Probability

78%

With Interview (+33.1%)

3y 2m (~4m remaining)

Median Time to Grant

Low

PTA Risk

Based on 654 resolved cases by this examiner. Grant probability derived from career allowance rate.