Prosecution Insights
Last updated: July 17, 2026
Application No. 18/711,917

A TROCAR FIXATION ASSEMBLY

Final Rejection §102§112
Filed
May 21, 2024
Priority
Nov 25, 2021 — EU 21210488.9 +1 more
Examiner
NGUYEN, VI X
Art Unit
3771
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Mölnlycke Health Care AB
OA Round
2 (Final)
86%
Grant Probability
Favorable
3-4
OA Rounds
1y 1m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 86% — above average
86%
Career Allowance Rate
999 granted / 1163 resolved
+15.9% vs TC avg
Moderate +13% lift
Without
With
+13.3%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
35 currently pending
Career history
1193
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
64.0%
+24.0% vs TC avg
§102
28.3%
-11.7% vs TC avg
§112
1.7%
-38.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1163 resolved cases

Office Action

§102 §112
DETAILED ACTION This office action is in response to the amendment filed on 3/19/2026. Claims 1-4,6,16 have been amended. Claims 1-17 are pending in this present application. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. The following is a quotation of the first paragraph of pre-AIA 35 U.S.C. 112: The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor of carrying out his invention. Claims 1-17 are rejected under 35 U.S.C. 112(a) or 35 U.S.C. 112 (pre-AIA ), first paragraph, as failing to comply with the written description requirement. The claim(s) contains subject matter which was not described in the specification in such a way as to reasonably convey to one skilled in the relevant art that the inventor or a joint inventor, or for applications subject to pre-AIA 35 U.S.C. 112, the inventor(s), at the time the application was filed, had possession of the claimed invention. Claim 1 recites in part “upon application of a first torque that is less than a first torque threshold, …. Upon application of a second torque that is greater than the first torque threshold….. in order to inhibit movement of the ball upon application of the second torque.” However, there is no support in the original disclosure for the amended claim 1. According to applicant’s Pub U.S 2025/0000545 on 01/02/2025 disclose “wherein the engagement between the first and second annular members allows for the trocar fixation assembly to be shifted between at least a first configuration, in which the ball member is movable with respect to the first and second annular members, a second configuration, in which the ball member is gradually movable with respect to the first and second annular members, and a third configuration, in which the ball member is fixed with respect to the first and second annular members “see paragraph 011, but does not disclose “upon application of a first torque that is less than a first torque threshold, …. Upon application of a second torque that is greater than the first torque threshold….. in order to inhibit movement of the ball upon application of the second torque.” Thus, the claim contains subject matter which was not described in the specification in such a way to reasonably convey to one skilled in the relevant art the inventor or a joint inventor, at the time the application was filed, had possession of the claimed invention. As to claims 2-17 are also rejected on 112 first paragraph due to their dependency from claim 1. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claim(s) 1, 17 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Ryan U.S 20210068917. Claim 1: Ryan discloses a fixation assembly 1 capable of holding a trocar (see Fig. 1, 6) comprising a fixation device (nut 26, collet 13, ball 4; see Fig. 6) and a medical dressing (34, 35), wherein said fixation device comprises: a skin attachment element comprising a first annular member 13 disposed about a longitudinal center line, a ball member 4 arranged in said first annular member (see Figs 1, 6), wherein said ball member comprises a channel 5 extending through said ball member, wherein the channel 5 is configured to receive a trocar therethrough, and being capable of receive a trocar, and a second annular member 26 disposed about said longitudinal center line and being configured to engage with said first annular member, wherein the engagement between said first and second annular members allows for said fixation assembly to be shifted between at least: a first configuration, in which said ball member is movable with respect to said first and second annular members (when the nut 26 is barely tightened against collet 13), “upon application of a first torque that is less than a first torque threshold, …. Upon application of a second torque that is greater than the first torque threshold….. in order to inhibit movement of the ball upon application of the second torque.” (see 112-first issue rejection above), a second configuration, in which said ball member is gradually movable with respect to said first and second annular members (when the nut 26 is beginning to tighten against collet 13), and a third configuration, in which said ball member is fixed with respect to said first and second annular members (when the nut 26 is fully tightened against collet 13); (note that the first, second and third configuration are achieved depending on how tight the nut 26 is screwed unto collet 13). Claim 17: Ryan discloses wherein the channel defines a groove (ribs 19/20) that is configured to threadedly engage a male thread 26 the trocar as best seen in fig. 6. Response to Arguments Applicant's arguments filed on 3/19/2026 have been fully considered but they are not persuasive. The applicants argue that Ryan fails to disclose that the ball member is capable of or size to receive a trocar. The examiner disagrees. It is noted that figures 1,6 discloses that a fixation assembly 1 is capable of holding a trocar with a ball 4 that has a channel 5 that is size to receive a needle 37 in fig 7. It is noted that a trocar is defined as a sharp pointed surgical instrument fitted within a cannula. In this case, needle 37 is met the definition of a trocar and having a ball member that is capable of or sized to receive a trocar/needle. Therefore, it meets the claim as amended in claim 1. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). 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 VI X NGUYEN whose telephone number is (571)272-4699. The examiner can normally be reached Monday-Friday (6:30-4:30). 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, Darwin Erezo can be reached at 571-272-4695. 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. /VI X NGUYEN/Primary Examiner, Art Unit 3771
Read full office action

Prosecution Timeline

May 21, 2024
Application Filed
Dec 19, 2025
Non-Final Rejection mailed — §102, §112
Mar 19, 2026
Response Filed
Jun 03, 2026
Final Rejection mailed — §102, §112
Jun 25, 2026
Interview Requested
Jul 01, 2026
Applicant Interview (Telephonic)
Jul 07, 2026
Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

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Tunable Fixation Device
2y 8m to grant Granted Jul 14, 2026
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Patent 12667350
METHOD AND SYSTEM FOR USE IN A LUNG ACCESS PROCEDURE TO AID IN PREVENTING PNEUMOTHORAX
2y 1m to grant Granted Jun 30, 2026
Patent 12661190
SYSTEMS AND METHODS FOR FACILITATING MOVEMENT EFFICIENCY OF A MEDICAL DEVICE WITHIN A BODILY CAVITY
2y 6m to grant Granted Jun 23, 2026
Patent 12661195
Surgical Robot and Method for Displaying Image of Patient Placed on Surgical Table
1y 10m to grant Granted Jun 23, 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
86%
Grant Probability
99%
With Interview (+13.3%)
3y 3m (~1y 1m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1163 resolved cases by this examiner. Grant probability derived from career allowance rate.

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