Prosecution Insights
Last updated: October 25, 2026

Gelest Inc.

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

5 pending office actions • 4 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Analysis

Gelest Inc. currently has 5 pending office actions in the Chemistry & Materials technology area. These actions are spread across 5 distinct examiners and 4 distinct art units. This distribution indicates that each pending matter is being handled by a different examiner, which requires the applicant to manage separate prosecution tracks without any examiner overlap.

BAEK, BONG-SOOK is the busiest examiner, currently managing 1 pending office action. Because there are distinct examiners for the 5 pending office actions, the workload is decentralized, with no single examiner handling more than 1 matter. This lack of concentration means that the prosecution of each application will be subject to the individual preferences and styles of different examiners.

The use of 4 distinct art units for the pending office actions suggests that the company's technology falls within a relatively narrow range of technical groups at the USPTO. However, the total of distinct examiners still necessitates a broad engagement strategy. Practitioners should be prepared to address the specific requirements of each of the 4 distinct art units while navigating the individual examiner relationships.

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

Portfolio Summary

5
Total Pending OAs
2
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
1
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.

1
Hard (20%)
4
Medium (80%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (60%)
§102 only1 (20%)
Multi-statute (no §101)1 (20%)

Industry Mix

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

5
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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BAEK, BONG-SOOK 1 41.6% +69.9%
MOORE, MARGARET G 1 68.1% +15.6%
BAKSHI, PANCHAM 1 76.7% +30.2%
LENIHAN, JEFFREY S 1 73.0% +17.0%
FORD, NATHAN K 1 32.6% +35.2%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18777264 COMPOSITIONS AND METHODS FOR RESHAPING KERATIN-RICH SUBSTRATES AND FORMING ADHERENT FLEXIBLE FILMS BAEK, BONG-SOOK —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18197150 N-ALKYL SUBSTITUTED CYCLIC AND OLIGOMERIC PERHYDRIDOSILAZANES, METHODS OF PREPARATION THEREOF, AND SILICON NITRIDE FILMS FORMED THEREFROM BAKSHI, PANCHAM 121d overdue
16004621 Methods and System for the Integrated Synthesis, Delivery, and Processing of Source Chemicals for Thin Film Manufacturing FORD, NATHAN K 9d
18777264 COMPOSITIONS AND METHODS FOR RESHAPING KERATIN-RICH SUBSTRATES AND FORMING ADHERENT FLEXIBLE FILMS BAEK, BONG-SOOK —
18407712 SILOXANE COMPOSITION FOR LOWER TEMPERATURE ADHESION MOORE, MARGARET G —
17990912 METHOD FOR INDUCING GREATER WETTABILITY OF CONTACT LENS COMPOSITIONS DURING MOLDING LENIHAN, JEFFREY S —

Top Art Units

Art UnitApps
1765 2
1611 1
1623 1
1716 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18777264 COMPOSITIONS AND METHODS FOR RESHAPING KERATIN-RICH SUBSTRATES AND FORMING ADHERENT FLEXIBLE FILMS BAEK, BONG-SOOK 1611 §102§103§112 Non-Final OA — Pending Jul 18, 2024
18407712 SILOXANE COMPOSITION FOR LOWER TEMPERATURE ADHESION MOORE, MARGARET G 1765 §102 Non-Final OA — Pending Jan 09, 2024
18197150 N-ALKYL SUBSTITUTED CYCLIC AND OLIGOMERIC PERHYDRIDOSILAZANES, METHODS OF PREPARATION THEREOF, AND SILICON NITRIDE FILMS FORMED THEREFROM BAKSHI, PANCHAM 1623 §103 Final Rejection 121d overdue Pending May 15, 2023
17990912 METHOD FOR INDUCING GREATER WETTABILITY OF CONTACT LENS COMPOSITIONS DURING MOLDING LENIHAN, JEFFREY S 1765 §103 Final Rejection — Pending Nov 21, 2022
16004621 Methods and System for the Integrated Synthesis, Delivery, and Processing of Source Chemicals for Thin Film Manufacturing FORD, NATHAN K 1716 §103 Final Rejection 9d Pending Jun 11, 2018

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Frequently Asked Questions

How many pending USPTO office actions does Gelest Inc. have?

Gelest Inc. has 5 pending office actions as of October 2026, spread across 4 art units and 5 examiners.

Which USPTO examiner handles the most Gelest Inc. applications?

Bong-Sook Baek has the most, with 1 of Gelest Inc.'s pending office actions.

What technology area are Gelest 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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