Prosecution Insights
Last updated: October 26, 2026

Lori K Mattison, USPTO Patent Examiner

Listed by the USPTO as MATTISON, LORI K

Tech Center 1600 • Art Units: 1600 1619

This examiner grants 15% of resolved cases

Analysis

MATTISON, LORI K works in Tech Center 1600 and Art Unit 1600. Her record covers 486 resolved cases, with a 15.2% allowance rate and a 1719-day median to allowance. The low allowance rate and lengthy median indicate a difficult prosecution profile in the reported matters.

The interview lift is 27.8%, showing that interviews are associated with improved allowance outcomes despite the overall allowance result. Recurring applicants include L'Oréal, Conopco, Inc. d/b/a Unilever, and Henkel AG & Co. KGaA. The listed firms are Byrne Poh LLP, ALSTON & BIRD LLP, and BLANK ROME LLP. Practitioners may place particular emphasis on early issue identification and well-prepared examiner discussions.

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

Performance Statistics

15.2%
Allow Rate
-44.8% vs TC avg
535
Total Applications
+27.8%
Interview Lift
1719
Avg Prosecution Days
Based on 486 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
9.9%
§102 Novelty
46.3%
§103 Obviousness
30.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17767523 NON-ANIMAL SOFTGEL CAPSULE FORMULATIONS, METHODS OF PREPARATION, AND METHODS OF USE THEREOF Non-Final OA R.P. Scherer Technologies, LLC
18554079 HAIR TREATMENT COMPOSITION Final Rejection Conopco, Inc. d/b/a UNILEVER
17052915 CLEANSING COMPOSITION Non-Final OA Conopco, Inc., d/b/a UNILEVER
18260093 NATURAL OIL-BASED PETROLATUM AND METHOD OF MAKING SAME Non-Final OA CARGILL, INCORPORATED

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Frequently Asked Questions

What is examiner Lori K Mattison's allowance rate?

15.2% of resolved applications examined by Lori K Mattison were allowed (486 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Lori K Mattison?

This examiner's interview lift is +27.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lori K Mattison take to allow a patent?

Applications allowed by Lori K Mattison took 1,719 days on average from filing to allowance.

Which art unit does examiner Lori K Mattison work in?

Lori K Mattison examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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