Prosecution Insights
Last updated: April 19, 2026

Nathalie Tietcheu

25 pending office actions • 6 clients

Portfolio Summary

25
Total Pending OAs
5
Final Rejections
20
Non-Final OAs

Client Portfolio (6 clients)

Client (Assignee)Pending OAs
Isp Investments LLC 11
Isp Investments LLC 6
Hercules LLC 5
Isp Investments Llc. 1
Lsp Investments LLC 1
Jafer Enterprises R&D, S.L.U 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18720432 BIOACTIVE SERUM FRACTIONS FROM FRESH ROSE FLOWERS AND METHODS FOR THEIR PREPARATION AND USES Isp Investments LLC KETCHAM, KAREN A 1614 Non-Final OA Jun 14, 2024
18703625 HYDROPHOBIC AND HYDROPHILIC MODIFIED MALEATED NATURAL OILS, SALTS, COMPOSITIONS, AND METHODS OF USE Isp Investments LLC DAVIS, BRIAN J 1614 Non-Final OA Apr 22, 2024
18698298 RADIATION SENSITIVE COMPOSITIONS COMPRISING A COMBINATION OF METALS OR METALLOID COMPOUNDS Isp Investments LLC AHVAZI, BIJAN 1763 Non-Final OA Apr 03, 2024
18683162 AQUEOUS PERSONAL CARE COMPOSITIONS COMPRISING CARBOXYMETHYL CELLULOSE (CMC), PROCESS FOR PREPARING THE SAME AND USE THEREOF Isp Investments LLC KIM, DANIELLE A 1613 Non-Final OA Feb 12, 2024
18293129 A SUNSCREEN COMPOSITION COMPRISING AVOBENZONE AND A METHOD FOR PHOTOSTABILIZATION Isp Investments LLC MAEWALL, SNIGDHA 1612 Non-Final OA Jan 29, 2024
18571558 SUSPENDING POLYMER COMPOSITION AND METHOD OF USE THEREOF Isp Investments LLC WERTZ, ASHLEE ELIZABETH 1612 Non-Final OA Dec 18, 2023
18278548 ACRYLAMIDE POLYMER INVERSE EMULSIONS CONTAINING RHEOLOGY MODIFIERS AND ARCHITECTURAL COATING COMPOSITIONS DERIVED THEREFROM Hercules LLC ILLING, CAITLIN NORINE 1767 Non-Final OA Aug 23, 2023
18278593 ACRYLAMIDE POLYMER RHEOLOGY MODIFIER COMPOSITIONS AND ARCHITECTURAL COATING COMPOSITIONS DERIVED THEREFROM Hercules LLC LEE, DORIS L 1764 Non-Final OA Aug 23, 2023
18278470 RHEOLOGY MODIFIER COMPOSITIONS AND ARCHITECTURAL COATING COMPOSITIONS DERIVED THEREFROM Hercules LLC BHUSHAN, KUMAR R 1766 Non-Final OA Aug 23, 2023
17795389 PROCESS FOR OBTAINING AN AQUEOUS EXTRACT OF LAVENDER, COMPOSITIONS COMPRISING SUCH AN EXTRACT, AND THEIR COSMETIC USES Isp Investments Llc. SPAINE, ROBERT FRANKLIN 1655 Non-Final OA Aug 14, 2023
18259972 PROCESS FOR REMOVAL OF THIO-BASED END GROUPS FROM RAFT POLYMERS DERIVED FROM MONOMERS COMPRISING LACTAM AND ACRYLOYL MOIETIES Isp Investments LLC BOYLE, ROBERT C 1764 Non-Final OA Jun 29, 2023
18035711 METHOD FOR OBTAINING AQUEOUS EXTRACTS OF TEA LEAVES, COMPOSITIONS COMPRISING SUCH EXTRACTS AND COSMETIC USES THEREOF Isp Investments LLC OLSEN, KAELEIGH ELIZABETH 1619 Non-Final OA May 05, 2023
18015689 BIODEGRADABLE MICROCAPSULES. PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF Isp Investments LLC PHAN, DOAN THI-THUC 1613 Non-Final OA Jan 11, 2023
18012373 AN ORAL CARE ANTIMICROBIAL COMPOSITION, PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF Isp Investments LLC LIU, TRACY 1614 Final Rejection Dec 22, 2022
18011903 AN ANTIMICROBIAL COMPOSITION, PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF Isp Investments LLC YU, HONG 1614 Non-Final OA Dec 21, 2022
17920690 MODIFIED RELEASE PHARMACEUTICAL FORMULATION COMPRISING HYDROXYPROPYL CELLULOSE Hercules LLC KASSA, TIGABU 1619 Non-Final OA Oct 21, 2022
17918282 COMPOSITIONS COMPRISING ENERGY-SENSITIVE ADDUCTS OF ACETYLENIC COMPOUNDS Lsp Investments LLC ANTHONY, JOSEPH DAVID 1764 Non-Final OA Oct 11, 2022
17764511 MUCOADHESIVE COMPOSITIONS AND METHOD OF USE THEREOF Isp Investments LLC PETRITSCH, AMANDA MICHELLE 1612 Final Rejection Mar 28, 2022
17573055 SKIN CARE COMPOSITIONS COMPRISING A TERPOLYMER, PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF Isp Investments LLC BERRIOS, JENNIFER A 1613 Non-Final OA Jan 11, 2022
17430158 DRY POWDER COMPOSITIONS, METHOD OF USING THE SAME Isp Investments LLC MATTISON, LORI K 1619 Non-Final OA Aug 11, 2021
17426986 METHOD FOR OBTAINING AN EXTRACT OF PATCHOULI LEAVES AND COSMETIC USES THEREOF Jafer Enterprises R&D, S.L.U KAMM, JUDITH MARIE 1611 Non-Final OA Jul 29, 2021
17423799 METHOD OF STRENGTHENING NON-KERATINOUS FIBERS, AND USES THEREOF Isp Investments LLC KHAN, AMINA S 1761 Non-Final OA Jul 16, 2021
17283814 LAMELLAR GEL BASED PERSONAL CARE COMPOSITIONS, PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF Isp Investments LLC CRAIGO, WILLIAM A 1615 Final Rejection Apr 08, 2021
17282949 SUPPORT MATERIALS FOR THREE-DIMENSIONAL PRINTING Hercules LLC THROWER, LARRY W 1754 Final Rejection Apr 05, 2021
17277686 PEROXIDE STABLE POLYMER COMPOSITION AND PROCESS FOR ITS PREPARATION AND APPLICATIONS THEREOF Isp Investments LLC WU, ANDREA 1763 Final Rejection Mar 18, 2021

Managing Nathalie Tietcheu's Patent Prosecution?

IP Author helps law firms respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month