Prosecution Insights
Last updated: August 17, 2026
Application No. 18/828,615

BRAIDED IMPLANTABLE ENDOVASCULAR EMBOLIZATION DEVICE FREELY ROTATABLE RELATIVE TO A PUSHING MEMBER DURING ADVANCEMENT IN A MICROCATHETER

Non-Final OA §102
Filed
Sep 09, 2024
Examiner
DORNBUSCH, DIANNE
Art Unit
3771
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
DePuy Synthes Products Inc.
OA Round
1 (Non-Final)
74%
Grant Probability
Favorable
1-2
OA Rounds
2y 0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 74% — above average
74%
Career Allowance Rate
560 granted / 758 resolved
+3.9% vs TC avg
Strong +35% interview lift
Without
With
+34.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 11m
Avg Prosecution
33 currently pending
Career history
785
Total Applications
across all art units

Statute-Specific Performance

§101
1.5%
-38.5% vs TC avg
§103
42.0%
+2.0% vs TC avg
§102
25.7%
-14.3% vs TC avg
§112
20.0%
-20.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 758 resolved cases

Office Action

§102
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 . Election/Restrictions Applicant's election with traverse of Invention I (claims 1-9) in the reply filed on 6/5/26 is acknowledged. The traversal is on the ground(s) that if Invention I is found then the methods would be found in the same reference. This is not found persuasive because the references that contain the device of claim 1-9 does not necessarily describe the method of using or the method of making. Furthermore, the product as claimed can be used in a materially different process of using that product such as to occlude other tubular systems as well as closing a fistula, blocking a section of the gastric or pulmonary system, or plugging an opening in a vessel. As well as, the product as claimed can be made by another and materially different process such as a manufacturing method a securement marker is not cinched about the braided structure. Therefore, if the product is found in a reference it may or may not have the method of using nor the methods of making as claimed. The requirement is still deemed proper and is therefore made FINAL. Claims 10-20 are withdrawn from further consideration pursuant to 37 CFR 1.142(b), as being drawn to a nonelected invention, there being no allowable generic or linking claim. Applicant timely traversed the restriction (election) requirement in the reply filed on 6/5/26. Applicant's election with traverse of Species 1 (Fig. 1a-d) in the reply filed on 6/5/26 is acknowledged. The traversal is on the ground(s) that there is no burden. This is not found persuasive because there is a search and/or examination burden for the patentably distinct species as set forth above because at least the following reason(s) apply: the species or groupings of patentably indistinct species require a different field of search (e.g., searching different classes/subclasses or electronic resources, or employing different search strategies or search queries). The requirement is still deemed proper and is therefore made FINAL. Claims 5-9 are withdrawn from further consideration pursuant to 37 CFR 1.142(b), as being drawn to a nonelected species, there being no allowable generic or linking claim. Applicant timely traversed the restriction (election) requirement in the reply filed on 6/5/26. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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) 1-4 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Rhee et al. (2017/0367704) Rhee discloses the following claimed limitations: Claim 1: An endovascular embolization system comprising: a braided implantable device (20) comprising: a braided structure (26, 28) (Fig. 2 and [0058]) radially self-expanding ([0058]) and having a proximal edge (edge inside 50 as seen in Fig. 4b); and a proximal securement mechanism (50) (Fig. 2-5) fixedly secured radially constraining a proximal section (53) of the braided structure including the proximal edge (Fig. 2-5 and [0058]); the proximal section of the braided structure defining an inner channel (distal channel next to collar as seen in Fig. 3) having an inner diameter smaller relative to an interior space (middle area of implant as seen in Fig. 3) disposed distally of the inner channel (Fig. 3);a pushing member (40) (Fig. 2-5 and [0062-63]) having a proximal end (end by handle seen in Fig. 1a) and a distal end (end by 30 as seen in Fig. 1a); no portion of the pushing member being rotatable relative to another portion (where it is a one piece which has no portions that rotate relative to each other as seen in Fig. 2-5 and [0062]); and an unrestricted 360 degrees freely rotatable connection (42 as seen in Fig. 5) of the braided implantable device relative to the pushing member (Fig. 5 where it is capable of rotating). Claim 2: wherein the unrestricted 360 degrees freely rotatable connection comprises a tether (wire 44 which is the inner part and it’s a wire as seen in Fig. 2-5 and [0068]) having a proximal end (70) attached to the distal end of the pushing member (connected at 30 as seen in Fig. 4b) and an opposite free distal end (end where 80 is located as seen in Fig. 4a-5) with a distal interference member (80) fixedly secured thereto (Fig. 4a-5 and [0070]); the tether extending through the inner channel of the proximal section of the braided structure with the distal interference member disposed in the interior space of the braided structure (Fig. 4b-5); wherein the tether disposed within the inner channel of the proximal section of the braided structure defines a radial clearance space (52) sufficient to allow unrestricted 360 degrees free rotation of the braided implantable device about the tether (Fig. 5 where there is clearance which is capable of allowing the rotation). Claim 3: wherein the tether is severable from the pushing member via an electrolytic detachment mechanism (30) (Fig. 4a-5, [0055-57], [0063]) comprising a conductive metal wire (44 as stated in [0055] and [0063]) covered by an electrical insulating material (34, 32) (Fig. 4b-5 and [0063]) everywhere except for a non-insulated detachment zone (Fig. 4a-5, [0055-57], [0063]); and a power supply (46) electrically connected to the conductive metal wire for generating an electrical current therein (Fig. 1a and [0055]). Claim 4: wherein the non-insulated detachment zone is distally of the distal end of the pushing member (Fig. 4b-5). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to DIANNE DORNBUSCH whose telephone number is (571)270-3515. The examiner can normally be reached Monday-Wednesday 9 am-3 pm. 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, Elizabeth Houston can be reached at (571) 272-7134. 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. /DIANNE DORNBUSCH/Primary Examiner, Art Unit 3771
Read full office action

Prosecution Timeline

Sep 09, 2024
Application Filed
Jul 23, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
74%
Grant Probability
99%
With Interview (+34.9%)
3y 11m (~2y 0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 758 resolved cases by this examiner. Grant probability derived from career allowance rate.

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