Last updated: July 17, 2026

Application No. 18/571,981

METHOD FOR PREPARING POLYLACTIC ACID POLYMER

Non-Final OA

Filed

Dec 19, 2023

Priority

Jul 05, 2021 — RE 10-2021-0087959 +1 more

Examiner

KARST, DAVID THOMAS

Art Unit

Tech Center

Assignee

LG Chem Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +9.9% interview lift. Interview lift (+9.9%) is below the 15.0% threshold. A written response is recommended.

Based on 994 resolved cases, 2023–2026

Examiner Intelligence

KARST, DAVID THOMAS View full profile →

Grants 64% of resolved cases

Career Allowance Rate

641 granted / 994 resolved

+4.5% vs TC avg

Moderate +10% lift

Without

With

+9.9%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

51 currently pending

Career history

1046

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

72.7%

+32.7% vs TC avg

§102

6.4%

-33.6% vs TC avg

§112

12.0%

-28.0% vs TC avg

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

Prosecution Timeline

Dec 19, 2023

Application Filed

Jun 02, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/634,509

Patent 12667644

IODINE-INFUSED ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE

4y 4m to grant Granted Jun 30, 2026

17/772,975

Patent 12655297

METHODS FOR LIGNIN EXTRACTION

4y 1m to grant Granted Jun 16, 2026

18/166,107

Patent 12655165

Polyphosphazene and moulding compound comprising the polyphosphazene

3y 4m to grant Granted Jun 16, 2026

18/207,408

Patent 12655248

EPOXY RESIN

3y 0m to grant Granted Jun 16, 2026

17/559,653

Patent 12644187

METALLIZED POLYMER PARTICLES AND RELATED METHODS

4y 5m to grant Granted Jun 02, 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

64%

Grant Probability

74%

With Interview (+9.9%)

2y 11m (~4m remaining)

Median Time to Grant

Low

PTA Risk

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