Prosecution Insights
Last updated: October 27, 2026

Silvana C Runyan, USPTO Patent Examiner

Listed by the USPTO as RUNYAN, SILVANA C

Tech Center 3700 • Art Units: 1616 1768 3674 3676 3678 3746

This examiner grants 82% of resolved cases

Performance Statistics

82.5%
Allow Rate
+12.5% vs TC avg
1,136
Total Applications
+17.0%
Interview Lift
796
Avg Prosecution Days
Based on 1069 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
26.0%
§102 Novelty
44.7%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19568179 METHOD FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS Non-Final OA Schlumberger Technology Corporation
18633631 CORROSION INHIBITOR AND RELATED METHODS OF INHIBITING THE CORROSION OF METAL SURFACES Non-Final OA Schlumberger Technology Corporation
18526114 BIODEGRADABLE SURFACTANT FLUID LOSS CONTROL ADDITIVE Final Rejection Halliburton Energy Services, Inc.
19544108 METHOD FOR MODIFYING THE PERMEABILITY OF A GEOLOGICAL FORMATION ZONE Non-Final OA IFP ENERGIES NOUVELLES
19013793 DUAL-POLYMER HYDRAULIC FRACTURING FLUID AND METHOD FOR PUMPING THE SAME INTO SUBTERRANEAN FORMATIONS Non-Final OA SAUDI ARABIAN OIL COMPANY
18670749 FOAMED WETTABILITY ALTERATION TREATMENT FOR DEEP CONDENSATE AND WATER BLOCKAGE IN GAS RESERVOIRS Final Rejection SAUDI ARABIAN OIL COMPANY
18642279 ENHANCED OIL RECOVERY PROCESS WITH POLYMER FLOODING USING TREATED PRODUCED WATER Non-Final OA Saudi Arabian Oil Company
18619515 BIOLOGICAL SLICKWATER FLUIDS AND METHODS OF USE THEREOF IN CONJUNCTION WITH SUBTERRANEAN OPERATIONS Non-Final OA SAUDI ARABIAN OIL COMPANY
18418047 HEAT-ACTIVATED GELLABLE FLUIDS IN ENHANCED HYDROCARBON RECOVERY Non-Final OA SAUDI ARABIAN OIL COMPANY
18407947 PREPARATION OF METAL OXIDE NANOPARTICLES FROM CATHODES OF LITHIUM-ION BATTERIES Final Rejection Saudi Arabian Oil Company
18844951 Chemical Production Inside a Well Tubular/Casing Final Rejection Baker Hughes Oilfield Operations LLC
18649632 FORMULATIONS AND METHODS FOR INHIBITING ENVIRONMENTAL CRACKING Non-Final OA Baker Hughes Oilfield Operations LLC
19101147 SUNSCREEN COMPOSITION Non-Final OA DSM IP Assets B.V.
18352014 POLYESTER NETWORKS FROM STRUCTURALLY SIMILAR MONOMERS: RECYCLABLE-BY-DESIGN AND UPCYCLABLE TO PHOTOPOLYMERS Non-Final OA UNIVERSITY OF UTAH RESEARCH FOUNDATION
16585272 COTTON SEED PROCESSING Non-Final OA Monsanto Technology LLC
18260105 A METHOD OF RECYCLING POLY(VINYL BUTYRAL) FROM MULTILAYER POLY(VINYL BUTYRAL) SHEETS Final Rejection SOLUTIA INC.
18688370 SCALE INHIBITOR COMPOSITION Final Rejection Rohm and Haas Company

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Frequently Asked Questions

What is examiner Silvana C Runyan's allowance rate?

82.5% of resolved applications examined by Silvana C Runyan were allowed (1,069 resolved cases), compared with 24.5% across Art Unit 1616 over the last five years.

Does an interview help with examiner Silvana C Runyan?

This examiner's interview lift is +17.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Silvana C Runyan take to allow a patent?

Applications allowed by Silvana C Runyan took 796 days on average from filing to allowance.

Which art unit does examiner Silvana C Runyan work in?

Silvana C Runyan examines applications in Art Unit 1616 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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