Prosecution Insights
Last updated: October 27, 2026

Erin E Hirt, USPTO Patent Examiner

Listed by the USPTO as HIRT, ERIN E

Tech Center 1600 • Art Units: 1600 1613 1616 1617

This examiner grants 41% of resolved cases

Analysis

HIRT, ERIN E has resolved 737 cases in tech center 1600 and art unit 1600. The allowance rate is 40.6%, while interview lift is 22.9%. The positive interview measure suggests that examiner discussions can improve outcomes, although the allowance rate indicates that applicants should expect meaningful prosecution challenges.

The median time to allowance is 1251 days, making early claim strategy and realistic timing expectations important. The recurring companies are Syngenta AG, SUMITOMO CHEMICAL Company, Limited, and Rem Brands Inc. The recurring firms are BakerHostetler, LIPPES MATHIAS LLP, and OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P. Practitioners can use these recurring participants to investigate approaches relevant to this docket.

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

Performance Statistics

40.6%
Allow Rate
-19.4% vs TC avg
805
Total Applications
+22.9%
Interview Lift
1251
Avg Prosecution Days
Based on 737 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
7.6%
§102 Novelty
47.6%
§103 Obviousness
23.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18544532 SOLID DISPERSION OF A HER2 INHIBITOR Final Rejection Boehringer Ingelheim International GmbH
18351638 WHEAT SEED PRODUCTION Final Rejection PIONEER HI-BRED INTERNATIONAL, INC.
18259555 NOVEL ANTIMICROBIAL COMPOSITIONS AND ARTICLES MADE THEREFROM Final Rejection Solventum Intellectual Properties Company
18870252 HERBICIDAL DERIVATIVES Non-Final OA SYNGENTA CROP PROTECTION AG
18865029 ALKOXY HETEROARYL- CARBOXAMIDE OR THIOAMIDE COMPOUNDS Non-Final OA SYNGENTA CROP PROTECTION AG
18845744 HERBICIDAL COMPOUNDS Non-Final OA SYNGENTA CROP PROTECTION AG
18833155 HERBICIDAL COMPOUNDS Non-Final OA SYNGENTA CROP PROTECTION AG
18702511 HERBICIDAL IMIDAZOLE COMPOUNDS Final Rejection SYNGENTA CROP PROTECTION AG
18000438 FUNGICIDAL COMPOSITIONS Final Rejection SYNGENTA CROP PROTECTION AG
18000333 FUNGICIDAL COMPOSITIONS Final Rejection SYNGENTA CROP PROTECTION AG
17773321 PESTICIDALLY ACTIVE FUSED BICYCLIC HETEROAROMATIC COMPOUNDS Non-Final OA SYNGENTA CROP PROTECTION AG
18717304 COMPOSITION COMPRISING A PARTICULAR OXIDATION DYE PRECURSOR, AN OXYALKYLENATED FATTY ALCOHOL AND A POLYSACCHARIDE Non-Final OA L'OREAL
18726440 LIQUID PESTICIDAL COMPOSITION Non-Final OA SUMITOMO CHEMICAL COMPANY, LIMITED
18509414 METHOD FOR CONTROLLING SOYBEAN RUST FUNGUS HAVING RESISTANCE AGAINST Qo SITE INHIBITOR Final Rejection SUMITOMO CHEMICAL COMPANY, LIMITED
17759540 PLANT DISEASE CONTROL COMPOSITION AND PLANT DISEASE CONTROL METHOD Non-Final OA SUMITOMO CHEMICAL COMPANY, LIMITED
18065167 METHOD FOR INDUCING ENVIRONMENTAL STRESS TOLERANCE IN PLANTS Non-Final OA AJINOMOTO CO., INC.
18738907 DEXAMETHASONE PRODRUG COMPOSITIONS AND USES THEREOF Non-Final OA Ripple Therapeutics Corporation
17792551 FILM AND SEED COATING COMPOSITION Non-Final OA Croda International Plc
18800855 METHOD FOR CONTROLLING THE GROWTH OF UNDESIRABLE VEGETATION Non-Final OA UPL Limited
18010606 HERBICIDE COMBINATIONS Final Rejection UPL Limited

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Frequently Asked Questions

What is examiner Erin E Hirt's allowance rate?

40.6% of resolved applications examined by Erin E Hirt were allowed (737 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Erin E Hirt?

This examiner's interview lift is +22.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Erin E Hirt take to allow a patent?

Applications allowed by Erin E Hirt took 1,251 days on average from filing to allowance.

Which art unit does examiner Erin E Hirt work in?

Erin E Hirt examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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