Prosecution Insights
Last updated: April 19, 2026
Application No. 18/415,040

EFFICIENT SURFACTANT SYSTEM ON PLASTIC AND ALL TYPES OF WARE

Final Rejection §DP
Filed
Jan 17, 2024
Examiner
LEE, DOUGLAS
Art Unit
1714
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Ecolab Usa Inc.
OA Round
2 (Final)
44%
Grant Probability
Moderate
3-4
OA Rounds
3y 7m
To Grant
59%
With Interview

Examiner Intelligence

Grants 44% of resolved cases
44%
Career Allow Rate
286 granted / 649 resolved
-20.9% vs TC avg
Moderate +15% lift
Without
With
+14.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 7m
Avg Prosecution
34 currently pending
Career history
683
Total Applications
across all art units

Statute-Specific Performance

§101
0.9%
-39.1% vs TC avg
§103
56.1%
+16.1% vs TC avg
§102
11.3%
-28.7% vs TC avg
§112
28.1%
-11.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 649 resolved cases

Office Action

§DP
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Response to Amendment Claims 21-40 are pending, claims 1-20 having been cancelled. Applicant's response filed January 20, 2026 is acknowledged. Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. Claims 21-40 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-20 of U.S. Patent No. 11,912,960. Although the claims at issue are not identical, they are not patentably distinct from each other because claims 1-20 of the ‘960 patent disclose a method of cleaning a surface by applying the claimed rinse compositions to a ware (which inherently comprises a surface) in need of rinsing. Claims 21-40 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-20 of U.S. Patent No. 9,982,220. Although the claims at issue are not identical, they are not patentably distinct from each other because claim 21 of the ‘220 patent teaches a method for rinsing a surface. Claim 21 uses the compositions described in claim 1. The composition of claim 1 teaches at least one nonionic alcohol ethoxylate from a group overlapping the instant claims. Claims 21-40 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-20 of U.S. Patent No. 11,274,265. Although the claims at issue are not identical, they are not patentably distinct from each other because claim 12 of the ‘265 patent teaches a method for rinsing a surface. Claim 12 uses the compositions described in claim 1. The composition of claim 1 teaches one or more nonionic alcohol ethoxylate from a group overlapping the instant claims. Claims 21-40 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-20 of U.S. Patent No. 11,198,836. Although the claims at issue are not identical, they are not patentably distinct from each other because claim 15 of the ‘836 patent teaches a method for rinsing a surface. Claim 15 uses the compositions described in claim 1. The composition of claim 1 teaches one or more nonionic alcohol ethoxylate from a group overlapping the instant claims. Claims 21-40 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-23 of U.S. Patent No. 10,683,466. Although the claims at issue are not identical, they are not patentably distinct from each other because claim 18 of the ‘466 patent teaches a method for rinsing a surface. Claim 18 uses the compositions described in claim 1. The composition of claim 1 teaches one or more nonionic alcohol ethoxylate from a group overlapping the instant claims. Claims 21-40 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-13 of U.S. Patent No. 10,550,354. Although the claims at issue are not identical, they are not patentably distinct from each other because claim 12 of the ‘354 patent teaches a method for rinsing a surface. Claim 12 uses the compositions described in claim 1. The composition of claim 1 teaches one or more nonionic alcohol ethoxylate from a group overlapping the instant claims. Claims 21-40 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-26 of U.S. Patent No. 10,017,714. Although the claims at issue are not identical, they are not patentably distinct from each other because claim 21 of the ‘714 patent teaches a method for rinsing a surface. Claim 21 uses the compositions described in claim 1. The composition of claim 1 teaches one or more nonionic alcohol ethoxylate from a group overlapping the instant claims. Response to Arguments Applicant’s arguments, see pages 8-9, filed January 20, 2026, with respect to the nonstatutory double patenting rejection over U.S. Patent No. 11,155,769 have been fully considered and are persuasive (that the ‘769 patent is a later-filed and later-expiring patent). The nonstatutory double patenting rejection of claims 21-40 over U.S. Patent No. 11,155,769 has been withdrawn. Applicant's arguments filed January 20, 2026 regarding the remaining nonstatutory double patenting rejections have been fully considered but they are not persuasive. Applicant’s argues that the pending claims are directed to an independent and distinct invention based on the restriction requirements in application number 15/157,124 (U.S. Patent No. 9,982,220) and 15/157,194 (U.S. Patent No. 10,017,714). First, it is noted that both restriction requirements were withdrawn and the claims were rejoined (see ‘124 application Notice of Allowance dated January 30, 2018; see also ‘194 application Notice of Allowance dated February 1, 2018). Furthermore, the nonstatutory double patenting rejections above were made based on the method claims of the respective patents. Therefore, Applicant’s arguments that the instantly pending claims are directed to an independent and distinct invention are not persuasive and the rejections are maintained. Conclusion THIS ACTION IS MADE FINAL. Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to DOUGLAS LEE whose telephone number is (571)270-3296. The examiner can normally be reached M-F 7:30-4:30pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Kaj Olsen can be reached at 571-272-1344. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /DOUGLAS LEE/Primary Examiner, Art Unit 1714
Read full office action

Prosecution Timeline

Jan 17, 2024
Application Filed
May 25, 2025
Non-Final Rejection — §DP
Aug 29, 2025
Response after Non-Final Action
Aug 29, 2025
Response Filed
Jan 20, 2026
Response Filed
Mar 28, 2026
Final Rejection — §DP (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12599941
CLEAN HEAD, SYSTEM AND METHOD FOR USE IN CLEANING A FLUID CONDUIT
2y 5m to grant Granted Apr 14, 2026
Patent 12603263
APPARATUSES AND TECHNIQUES FOR CLEANING A MULTI-STATION SEMICONDUCTOR PROCESSING CHAMBER
2y 5m to grant Granted Apr 14, 2026
Patent 12569109
DISHWASHER FOR TREATING WASHWARE
2y 5m to grant Granted Mar 10, 2026
Patent 12565004
ADDITIVE MANUFACTURING
2y 5m to grant Granted Mar 03, 2026
Patent 12557578
SUBSTRATE PROCESSING METHOD AND SUBLIMATION DRYING PROCESSING AGENT
2y 5m to grant Granted Feb 17, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
44%
Grant Probability
59%
With Interview (+14.8%)
3y 7m
Median Time to Grant
Moderate
PTA Risk
Based on 649 resolved cases by this examiner. Grant probability derived from career allow rate.

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