Prosecution Insights
Last updated: October 25, 2026

GC Corporation

Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering

12 pending office actions • 10 art units • 12 examiners • 0 of 12 (0%) have an AI response strategy ready • 19 patents granted in the last 365 days

Analysis

GC Corporation has 12 pending office actions in Chemistry & Materials. The portfolio spans 12 distinct examiners and 10 distinct art units, showing broad examiner dispersion with some concentration among art units.

JOHNSON, CHRISTINA ANN is the busiest examiner, with 1 pending matter. Portfolio management should prioritize consistent issue tracking across the examiner group while using shared art-unit context where relevant.

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

Portfolio Summary

12
Total Pending OAs
7
Non-Final OAs
4
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
1
Due this month
1
Due in next 60 days
1
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 days (1)Due ≤ 60 days (1)Due later (1)

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.

6
Hard (50%)
6
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (33%)
§102 only2 (17%)
Multi-statute (no §101)6 (50%)

Industry Mix

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

7
Life Sciences
58% of docket
1
Information Tech
8% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
33% 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.

120 h
Manual time on pending OAs
24 h
Time saved (low, 20%)
42 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
JOHNSON, CHRISTINA ANN 1 41.3% -13.4%
MILLER, CAMERON KENNETH 1 81.6% +0.3%
NGUYEN, TRI V 1 67.6% +57.2%
AZUBUOGU, CHIEMERIE CHIBUZOR 1 0.0% +0.0%
KHALID, OMER 1 66.9% +22.8%
TRAN, SUSAN T 1 63.0% +34.8%
LIOTT, CAROLINE DUSHECK 1 58.3% +10.3%
HALL, DEVE V. 1 74.8% +16.2%
LEE, CRYSTAL J 1 82.2% +21.4%
ANTHONY, JOSEPH DAVID 1 73.2% +5.3%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18464581 GLASS COMPOSITION AND DENTAL COMPOSITION LEE, CRYSTAL J 48d

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
17908408 MEDICAL HONEYCOMB STRUCTURE AND METHOD FOR PRODUCING THE SAME, MEDICAL TISSUE RECONSTRUCTION BAG, AND MOLDING DIE BLANCO, JAVIER G 10d overdue
18846316 GROUP OF ARTIFICIAL TEETH AZUBUOGU, CHIEMERIE CHIBUZOR 86d
18875351 THREE-DIMENSIONAL PRINTING COMPOSITION AND METHOD OF PRODUCING DENTAL PRINTED ARTICLE JOHNSON, CHRISTINA ANN —
18850838 GLASS COMPOSITION MILLER, CAMERON KENNETH —
18848273 METHOD FOR PRODUCING TREATED-SILICA DISPERSED MONOMER COMPOSITION NGUYEN, TRI V —
18688855 METHOD FOR PRODUCING DENTAL FILLER, DENTAL FILLER, AND DENTAL COMPOSITION LIOTT, CAROLINE DUSHECK —
18552758 METHOD OF PRODUCING DENTAL COMPOSITION AND DENTAL COMPOSITION HALL, DEVE V. —

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
18464581 GLASS COMPOSITION AND DENTAL COMPOSITION LEE, CRYSTAL J 48d
18848273 METHOD FOR PRODUCING TREATED-SILICA DISPERSED MONOMER COMPOSITION NGUYEN, TRI V —
18846348 INTRAORAL REPORTING DEVICE, AND INTRAORAL MEDICAL DEVICE KHALID, OMER —
18787076 COMPOSITION FOR DENTIFRICE TRAN, SUSAN T —
18688855 METHOD FOR PRODUCING DENTAL FILLER, DENTAL FILLER, AND DENTAL COMPOSITION LIOTT, CAROLINE DUSHECK —
18552758 METHOD OF PRODUCING DENTAL COMPOSITION AND DENTAL COMPOSITION HALL, DEVE V. —

Top Art Units

Art UnitApps
1764 2
3774 2
1742 1
1731 1
3772 1
2422 1
1615 1
1732 1
1763 1
3674 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18875351 THREE-DIMENSIONAL PRINTING COMPOSITION AND METHOD OF PRODUCING DENTAL PRINTED ARTICLE JOHNSON, CHRISTINA ANN 1742 §102§103 Non-Final OA — Pending Dec 16, 2024
18850838 GLASS COMPOSITION MILLER, CAMERON KENNETH 1731 §102§103 Non-Final OA — Pending Sep 25, 2024
18848273 METHOD FOR PRODUCING TREATED-SILICA DISPERSED MONOMER COMPOSITION NGUYEN, TRI V 1764 §102§103 Final Rejection — Pending Sep 18, 2024
18846316 GROUP OF ARTIFICIAL TEETH AZUBUOGU, CHIEMERIE CHIBUZOR 3772 §103 Non-Final OA 86d Pending Sep 12, 2024
18846348 INTRAORAL REPORTING DEVICE, AND INTRAORAL MEDICAL DEVICE KHALID, OMER 2422 §103 Final Rejection — Pending Sep 12, 2024
18787076 COMPOSITION FOR DENTIFRICE TRAN, SUSAN T 1615 §102 Non-Final OA — Pending Jul 29, 2024
18688855 METHOD FOR PRODUCING DENTAL FILLER, DENTAL FILLER, AND DENTAL COMPOSITION LIOTT, CAROLINE DUSHECK 1732 §102§103 Non-Final OA — Pending Mar 04, 2024
18552758 METHOD OF PRODUCING DENTAL COMPOSITION AND DENTAL COMPOSITION HALL, DEVE V. 1763 §102§103 Non-Final OA — Pending Sep 27, 2023
18464581 GLASS COMPOSITION AND DENTAL COMPOSITION LEE, CRYSTAL J 3674 §103 Final Rejection 48d Pending Sep 11, 2023
18356582 DENTAL SEPARATION MATERIAL ANTHONY, JOSEPH DAVID 1764 §102 Non-Final OA 9d overdue Pending Jul 21, 2023
17908408 MEDICAL HONEYCOMB STRUCTURE AND METHOD FOR PRODUCING THE SAME, MEDICAL TISSUE RECONSTRUCTION BAG, AND MOLDING DIE BLANCO, JAVIER G 3774 §103§112 Non-Final OA 10d overdue Pending Aug 31, 2022
17638001 MEDICAL CALCIUM CARBONATE COMPOSITION, RELATED MEDICAL COMPOSITIONS, AND PRODUCTION METHODS THEREFOR PATEL, AREN 3774 §103 Final Rejection 26d Pending Jul 07, 2022

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Frequently Asked Questions

How many pending USPTO office actions does GC Corporation have?

GC Corporation has 12 pending office actions as of October 2026, spread across 10 art units and 12 examiners.

Which USPTO examiner handles the most GC Corporation applications?

Christina Ann Johnson has the most, with 1 of GC Corporation's pending office actions.

What technology area are GC Corporation's patent applications in?

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

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