Prosecution Insights
Last updated: October 04, 2026

Additon, Pendleton & Witherspoon, P.A.

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

9 pending office actions • 3 clients • 9 examiners • 6 art units • 0 of 9 (0%) have an AI response strategy ready

Analysis

Additon, Pendleton & Witherspoon, P.A. is a patent law firm that focuses on the Chemistry & Materials technology area, having handled 1999 career applications. The firm achieves a resolved allowance rate of 88.0 percent, demonstrating its results in securing patent protection for chemical and materials science innovations. This rate is an indicator of their proficiency in this field.

The firm currently manages 8 pending office actions. Their prosecution history includes an average of 3.24 office actions per allowance. This figure reflects the level of engagement with examiners required to move an application from filing to grant. For practitioners, the 3.24 average provides a benchmark for planning resources and managing client expectations in Chemistry & Materials.

With 1999 career applications, the firm has experience in the industry. The 88.0 percent allowance rate and 3.24 office actions per allowance together paint a picture of a firm with a track record of success and a consistent approach to prosecution. These metrics, along with the 8 pending office actions, offer a view of the firm's performance.

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

Quality Metrics (n=1999 apps, methodology: how we score firms)

88.0%
Allowance Rate
n=1999
+0.86σ
Allowance Rate (norm)
n=1999
3.2
OAs to Allowance
n=1460
-0.09σ
OAs to Allow (norm)
n=1460
1007 days
Time to Allowance
n=1460
+1.1pp
Interview Lift
n=1999
21.7%
RCE Rate
n=1999
1.6%
Appeal Rate
n=1999

Rejection Performance (% of received rejections ultimately overcome)

86.3%
§101 Overcome
n=51
89.9%
§102 Overcome
n=544
88.7%
§103 Overcome
n=1076
89.3%
§112 Overcome
n=609

Specialization & Scale

C08L, C08K, G02B
Top CPC Subclasses
34%
Top-3 CPC Share
n=1999
0
Practitioners
n=1999
—
Apps / Practitioner
n=1999 (min 20)

Portfolio Summary

9
Total Pending OAs
5
Non-Final OAs
3
Final Rejections
1
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.

2
Hard (22%)
7
Medium (78%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (56%)
§102 only1 (11%)
Double-patenting + other1 (11%)
Multi-statute (no §101)2 (22%)

Industry Mix

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

5
Life Sciences
56% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
22% of docket
2
Business / Other
22% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, TUAN VAN 1 81.7% +19.5%
SHUKLA, KRUPA 1 15.2% +22.6%
STANLEY, JANE L 1 58.4% +29.5%
KIRSCH, ANDREW THOMAS 1 50.6% +34.4%
RABAGLIA, BRIDGET ELIZABETH 1 68.5% +15.9%
BANERJEE, KOYELI 1 50.0% +0.0%
DICUS, TAMRA 1 30.5% +21.4%
DESTEFANO, AUDRA JEAN 1 56.4% +61.2%
KOLB, KATARZYNA I 1 45.2% +15.9%

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
19020121 FORCE MODULATING TISSUE BRIDGES, ASSOCIATED TOOLS, KITS, AND METHODS NGUYEN, TUAN VAN —

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18712394 High-Pressure Vessel Having Impact-Resistant Stiffener Member KIRSCH, ANDREW THOMAS 12d
18849698 Thermoplastic Resin Composition and Molded Article Manufactured by the Same SHUKLA, KRUPA —

Interview Candidates (8)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18644717 APPLICATOR TOOL CAPABLE OF USE WITH FORCE MODULATING TISSUE BRIDGE, AND ASSOCIATED SYSTEMS, METHODS AND KITS RABAGLIA, BRIDGET ELIZABETH 19d overdue
18712394 High-Pressure Vessel Having Impact-Resistant Stiffener Member KIRSCH, ANDREW THOMAS 12d
19020121 FORCE MODULATING TISSUE BRIDGES, ASSOCIATED TOOLS, KITS, AND METHODS NGUYEN, TUAN VAN —
18849698 Thermoplastic Resin Composition and Molded Article Manufactured by the Same SHUKLA, KRUPA —
18724315 Thermoplastic Resin Composition and Molded Article Manufactured From Same STANLEY, JANE L —
18039057 Thermoplastic Resin Composition and Molded Article Using Same DICUS, TAMRA —
18010048 Polyphosphonate Resin Composition and Molded Product Manufactured Therefrom DESTEFANO, AUDRA JEAN —
17620877 Thermoplastic Resin Composition and Molded Product Using Same KOLB, KATARZYNA I —

Client Portfolio (3 clients)

Client (Assignee)Pending OAs
Lotte 6
BRIJ Medical, Inc. 2
Cem Corporation 1

Top Art Units

Art UnitApps
17872
37331
37711
16581
17661
17671

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19020121 FORCE MODULATING TISSUE BRIDGES, ASSOCIATED TOOLS, KITS, AND METHODS Brij Medical, Inc. NGUYEN, TUAN VAN §103 Non-Final OA — Pending Jan 14, 2025
18849698 Thermoplastic Resin Composition and Molded Article Manufactured by the Same Lotte Chemical Corporation SHUKLA, KRUPA 1787 §103§112 Non-Final OA — Pending Sep 23, 2024
18724315 Thermoplastic Resin Composition and Molded Article Manufactured From Same Lotte Chemical Corporation STANLEY, JANE L §103 Non-Final OA — Pending Jun 26, 2024
18712394 High-Pressure Vessel Having Impact-Resistant Stiffener Member Lotte Chemical Corporation KIRSCH, ANDREW THOMAS 3733 §102§103 Final Rejection 12d Pending May 22, 2024
18644717 APPLICATOR TOOL CAPABLE OF USE WITH FORCE MODULATING TISSUE BRIDGE, AND ASSOCIATED SYSTEMS, METHODS AND KITS Brij Medical, Inc. RABAGLIA, BRIDGET ELIZABETH 3771 §102 Final Rejection 19d overdue Pending Apr 24, 2024
18237576 Peptide Synthesis Processes Cem Corporation BANERJEE, KOYELI 1658 §103DP Non-Final OA — Pending Aug 24, 2023
18039057 Thermoplastic Resin Composition and Molded Article Using Same Lotte Chemical Corporation DICUS, TAMRA 1787 §103 Non-Final OA — Pending May 26, 2023
18010048 Polyphosphonate Resin Composition and Molded Product Manufactured Therefrom Lotte Chemical Corporation DESTEFANO, AUDRA JEAN 1766 §103 Final Rejection — Pending Dec 13, 2022
17620877 Thermoplastic Resin Composition and Molded Product Using Same Lotte Chemical Corporation KOLB, KATARZYNA I 1767 §103 Non-Final OA — Pending Dec 20, 2021

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