Prosecution Insights
Last updated: October 25, 2026

Impossible Foods Inc.

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

7 pending office actions • 5 art units • 6 examiners • 0 of 7 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Impossible Foods Inc. currently manages 6 pending office actions within the Chemistry & Materials technology area. These matters are distributed among 5 distinct examiners, suggesting a range of interactions with USPTO staff. The company's filings are also spread across 5 distinct art units, indicating that their chemical and material innovations cover several specialized technical classifications.

GWARTNEY, ELIZABETH A is the busiest examiner for the company, currently overseeing 2 pending office actions. While the other pending office actions are handled by different individuals, GWARTNEY, ELIZABETH A has a higher concentration of the company's current workload. This distribution across 5 distinct examiners helps the company avoid excessive reliance on a single examiner's perspective.

The involvement of 5 distinct art units for 6 pending office actions shows technical variety in the company's portfolio. GWARTNEY, ELIZABETH A, with 2 pending office actions, is the only examiner handling more than one matter. This level of activity in Chemistry & Materials reflects an active approach to securing patent protection for their food technology innovations.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

7
Total Pending OAs
4
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
1
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

4
Hard (57%)
3
Medium (43%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (43%)
Multi-statute (no §101)4 (57%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

7
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
GWARTNEY, ELIZABETH A 2 36.0% +34.9%
TAYLOR, AUSTIN PARKER 1 42.2% +27.7%
BOWERS, ERIN M 1 54.7% +9.8%
RAVINDRA, KRISHNA NUGGEHALLI 1 47.1% +36.5%
DACE DENITO, ALEXANDRA GERALDINE 1 54.5% +32.6%
SHELLHAMMER, JAMES PAUL 1 10.0% +18.8%

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18066890 GENETIC FACTOR TO INCREASE EXPRESSION OF RECOMBINANT PROTEINS RAVINDRA, KRISHNA NUGGEHALLI 6d
18989155 NON-ANIMAL-BASED WHOLE-CUT FOOD PRODUCTS TAYLOR, AUSTIN PARKER —
18672962 METHODS AND COMPOSITIONS FOR AFFECTING THE FLAVOR AND AROMA PROFILE OF CONSUMABLES GWARTNEY, ELIZABETH A —
18672903 METHODS AND COMPOSITIONS FOR CONSUMABLES GWARTNEY, ELIZABETH A —
17905082 MATERIALS AND METHODS FOR PROTEIN PRODUCTION SHELLHAMMER, JAMES PAUL —

Interview Candidates (6)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18066890 GENETIC FACTOR TO INCREASE EXPRESSION OF RECOMBINANT PROTEINS RAVINDRA, KRISHNA NUGGEHALLI 6d
18989155 NON-ANIMAL-BASED WHOLE-CUT FOOD PRODUCTS TAYLOR, AUSTIN PARKER —
18672962 METHODS AND COMPOSITIONS FOR AFFECTING THE FLAVOR AND AROMA PROFILE OF CONSUMABLES GWARTNEY, ELIZABETH A —
18672903 METHODS AND COMPOSITIONS FOR CONSUMABLES GWARTNEY, ELIZABETH A —
17942951 GROUND MEAT REPLICAS DACE DENITO, ALEXANDRA GERALDINE —
17905082 MATERIALS AND METHODS FOR PROTEIN PRODUCTION SHELLHAMMER, JAMES PAUL —

Top Art Units

Art UnitApps
1759 2
1636 2
1792 1
1653 1
1793 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18989155 NON-ANIMAL-BASED WHOLE-CUT FOOD PRODUCTS TAYLOR, AUSTIN PARKER 1792 §103§112 Non-Final OA — Pending Dec 20, 2024
18672962 METHODS AND COMPOSITIONS FOR AFFECTING THE FLAVOR AND AROMA PROFILE OF CONSUMABLES GWARTNEY, ELIZABETH A 1759 §103§112 Non-Final OA — Pending May 23, 2024
18672903 METHODS AND COMPOSITIONS FOR CONSUMABLES GWARTNEY, ELIZABETH A 1759 §103§112 Non-Final OA — Pending May 23, 2024
18307144 SECRETION OF HEME-CONTAINING POLYPEPTIDES BOWERS, ERIN M 1653 §103 Final Rejection — Pending Apr 26, 2023
18066890 GENETIC FACTOR TO INCREASE EXPRESSION OF RECOMBINANT PROTEINS RAVINDRA, KRISHNA NUGGEHALLI 1636 §102§103§112 Final Rejection 6d Pending Dec 15, 2022
17942951 GROUND MEAT REPLICAS DACE DENITO, ALEXANDRA GERALDINE 1636 §103 Non-Final OA — Pending Sep 12, 2022
17905082 MATERIALS AND METHODS FOR PROTEIN PRODUCTION SHELLHAMMER, JAMES PAUL 1793 §103 Final Rejection — Pending Aug 26, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Impossible Foods Inc. have?

Impossible Foods Inc. has 7 pending office actions as of October 2026, spread across 5 art units and 6 examiners.

Which USPTO examiner handles the most Impossible Foods Inc. applications?

Elizabeth A Gwartney has the most, with 2 of Impossible Foods Inc.'s pending office actions.

What technology area are Impossible Foods Inc.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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