Prosecution Insights
Last updated: October 02, 2026

Examiner: DARNELL, BAILEIGH K

Tech Center 2800 • Art Units: 1742 1743 1744 1781 1789 2874

This examiner grants 70% of resolved cases

Analysis

Baileigh K. Darnell is an examiner in Tech Center 2800, specifically within Art Unit 1742. She has 389 resolved cases and an allowance rate of 70.2%. This rate indicates a generally favorable environment for applicants. The interview lift is 26.2%, showing that interviews are a very effective strategy for moving a case toward an allowance.

The median days to allowance for this examiner is 1023. This timeline is relatively standard, with grants typically occurring in under three years. For practitioners, the 389 resolved cases provide a solid basis for strategy. The 70.2% allowance rate and the 26.2% interview lift suggest that direct engagement is a key part of a successful prosecution strategy. In Art Unit 1742, the 1023-day median pendency is an important benchmark for managing expectations and planning for a multi-year process.

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

Performance Statistics

70.2%
Allow Rate
+2.2% vs TC avg
414
Total Applications
+26.2%
Interview Lift
1023
Avg Prosecution Days
Based on 389 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
20.9%
§102 Novelty
52.1%
§103 Obviousness
22.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18573671 TISSUE-ENGINEERED SCAFFOLDS AND METHODS OF MAKING Non-Final OA GEORGIA TECH RESEARCH CORPORATION
18864673 METHOD FOR MANUFACTURING A WIND TURBINE BLADE AND MOLD ARRANGEMENT Final Rejection Siemens Gamesa Renewable Energy A/S
18421180 ENCAPSULATED QUANTUM CONFINEMENT STRUCTURES AND METHOD OF FABRICATING SAME Non-Final OA Technion Research & Development Foundation Limited
18991511 OPERATION MECHANISM, BLOW MOLDING MECHANISM, SPLIT MOLD, AND MOLD UNIT Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
17975024 SUBSTRATES AND SPACERS FOR USE WITHIN A THREE-DIMENSIONAL PRINTING RESERVOIR ASSEMBLY Non-Final OA SprintRay Inc.
18835239 METHODS AND COLORING SUSPENSIONS FOR COLORING CURABLE BINDER COMPOSITIONS IN ADDITIVE MANUFACTURING PROCESSES Final Rejection SIKA TECHNOLOGY AG
18109823 ADDITIVE CONSTRUCTION OF STRUCTURES AND PRODUCTION OF ADDITIVE CONSTRUCTION MATERIALS Final Rejection ICON Technology, Inc.

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