Prosecution Insights
Last updated: July 17, 2026
Application No. 18/894,283

SYN COOKIE PROTECTION ACTIVATION

Final Rejection §112
Filed
Sep 24, 2024
Priority
Jul 24, 2024 — IN 202441056316
Examiner
GERGISO, TECHANE
Art Unit
2408
Tech Center
2400 — Computer Networks
Assignee
Hewlett Packard Enterprise Development L.P.
OA Round
2 (Final)
84%
Grant Probability
Favorable
3-4
OA Rounds
1y 3m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allowance Rate
718 granted / 850 resolved
+26.5% vs TC avg
Strong +24% interview lift
Without
With
+24.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
22 currently pending
Career history
875
Total Applications
across all art units

Statute-Specific Performance

§101
2.2%
-37.8% vs TC avg
§103
83.4%
+43.4% vs TC avg
§102
10.1%
-29.9% vs TC avg
§112
1.6%
-38.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 850 resolved cases

Office Action

§112
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 Arguments Applicant’s arguments, see pages 10-11, filed on 04/01/2026, with respect to claims 1-6, 15 and 17-20 have been fully considered and are persuasive. The rejection of claims 1-6, 15 and 17-20 under 35 U.S.C. 103 as being unpatentable over JIANG et al. (US 20120278492 A1 –hereinafter—“JIANG”) In view of Graham-Cumming (US 20150195382 A1—hereinafter—"Graham”) has been withdrawn. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 11, 13-15 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 11 recite the limitation “drop a SYN packet” in line 2. It should be “drop the SYN packet”. Claim 13 recite the limitation “apply SYN cookie protection” in line 3. It should be “apply the SYN cookie protection”. Claim 13 recite the limitation “a SYN packet received” in line 3. It should be “the SYN packet received”. Claim 14 recite the limitation “apply SYN cookie protection” in line 5. It should be “apply the SYN cookie protection”. Claim 14 recite the limitation “a SYN packet received” in line 5. It should be “the SYN packet received”. Claim 15 recite the limitation “a threshold” in line 3. It Should be “the Threshold. There are insufficient antecedent basis for this limitation in the claims. Claims 7-10, 12, 16-25 are allowed. 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. Contact Information Any inquiry concerning this communication or earlier communications from the examiner should be directed to TECHANE GERGISO whose telephone number is (571)272-3784. The examiner can normally be reached 9:30am to 6:30pm. 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, LINGLAN EDWARDS can be reached at (571) 270-5440. 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. /TECHANE GERGISO/ Primary Examiner, Art Unit 2408
Read full office action

Prosecution Timeline

Sep 24, 2024
Application Filed
Nov 29, 2025
Non-Final Rejection (signed) — §112
Dec 31, 2025
Non-Final Rejection mailed — §112
Apr 01, 2026
Response Filed
Apr 30, 2026
Examiner Interview (Telephonic)
May 05, 2026
Final Rejection mailed — §112 (current)

Precedent Cases

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Patent 12639414
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Patent 12641423
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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
84%
Grant Probability
99%
With Interview (+24.2%)
3y 1m (~1y 3m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 850 resolved cases by this examiner. Grant probability derived from career allowance rate.

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