Prosecution Insights
Last updated: July 17, 2026
Application No. 17/627,459

Hydrocarbon Polymer Modifiers Having High Aromaticity and Uses Thereof

Non-Final OA §DP
Filed
Jan 14, 2022
Priority
Jul 26, 2019 — provisional 62/878,887 +2 more
Examiner
DEL SOLE, JOSEPH STEVEN
Art Unit
1763
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Exxonmobil Chemical Patents Lnc
OA Round
3 (Non-Final)
32%
Grant Probability
At Risk
3-4
OA Rounds
0m
Est. Remaining
45%
With Interview

Examiner Intelligence

Grants only 32% of cases
32%
Career Allowance Rate
41 granted / 127 resolved
-32.7% vs TC avg
Moderate +12% lift
Without
With
+12.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
4 currently pending
Career history
156
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
79.2%
+39.2% vs TC avg
§102
5.9%
-34.1% vs TC avg
§112
4.5%
-35.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 127 resolved cases

Office Action

§DP
DETAILED ACTION Notice of Pre-AIA or AIA Status 1. The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Status of the Claims 2. Claims 1-2, 5-6, 8-9, 11-16, 19-24 are currently pending. Claims 1-20 had been elected with traverse in the response filed on 01/20/2025 and the species of the aromatic component of an olefinic aromatic compound of formula I (claim 14). Claims 1-2, 5-6, 8-9, 11-14, 16, 19-20, and 23-24 are currently under examination. The remaining claims are withdrawn, but may be rejoined if the double patenting rejection is overcome. 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. 7. Claims 1-2, 5-6, 8-9, 11-14, 16, 19-20, and 23-24 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claim 1, 13, 15, 16,18 20 of copending Application No. 18/261,021 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because Concerning claims 1-2, 4-6, 10-11, 20 the reference application teaches a hydrocarbon polymer modifier having a glass transition temperature which has the claimed relationships, an aromatic proton content of from 12 to 19 mol% a Mn of from 300 g/mol to 450 g/mol and the claimed cyclic component (claim 1 and 13) which is present in an amount of from 25 to 80 wt% (claim 13). Concerning claim 7-9 and 14 the reference application further teaches that the hydrocarbon polymer modifier includes an aromatic component which can have the structure of formula I which is an olefin aromatic compound (claim 16). Concerning claim 12 and 13 the reference application further teaches that the polymer modifier comprises methyl cyclopentadiene in an amount between 0.1 wt% to about 5 wt% (claim 15). Concerning claim 16 the reference application further teaches that the aromatic component is the claimed aromatic distillation cut (claim 18). Claims 17-18 the reference application teaches that the aromatic component is present in an amount of from 25 to 70 wt% (claim 20). Concerning claim 24 the reference application further teaches that the hydrocarbon polymer modifier includes an aromatic component which can have the structure of formula I which is an olefin aromatic compound where R1 and R2 can be hydrogen or alkyl groups (claim 16). When these two groups are hydrogen or alkyl than the compound would be one of 1H-indene or alkyl indene which are amoung the claimed groups. It would have been obvious to one of ordinary skill in the art at the time of filling to use the claimed indene compounds because the reference application teaches a general formula of the indene compound which includes structures of the claimed group. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Response to Arguments Applicant’s arguments and amendments have been fully considered and are persuasive. The remaining claims are expected to be held allowable if a proper TD is filed. Any inquiry concerning this communication or earlier communications from the examiner should be directed to Joseph S Del Sole whose telephone number is (571)272-1130. The examiner can normally be reached Generally Monday - Friday, 9-5. 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, Joseph Del Sole can be reached at 5712721130. 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. JOSEPH S. DEL SOLE Supervisory Patent Examiner Art Unit 1700
Read full office action

Prosecution Timeline

Show 2 earlier events
Nov 22, 2024
Examiner Interview Summary
Apr 08, 2025
Non-Final Rejection mailed — §DP
Oct 08, 2025
Response Filed
Jan 15, 2026
Final Rejection mailed — §DP
Mar 13, 2026
Response after Non-Final Action
May 13, 2026
Request for Continued Examination
May 19, 2026
Response after Non-Final Action
Jun 15, 2026
Non-Final Rejection mailed — §DP (current)

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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
32%
Grant Probability
45%
With Interview (+12.4%)
3y 2m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 127 resolved cases by this examiner. Grant probability derived from career allowance rate.

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