Prosecution Insights
Last updated: July 17, 2026
Application No. 17/608,656

FEEDING TUBE WITH INTEGRATED STYLET

Final Rejection §102
Filed
Nov 03, 2021
Priority
May 06, 2019 — provisional 62/843,673 +1 more
Examiner
DOUBRAVA, JOHN A
Art Unit
3783
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Bles Biochemicals Incorporated
OA Round
4 (Final)
77%
Grant Probability
Favorable
5-6
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 77% — above average
77%
Career Allowance Rate
236 granted / 308 resolved
+6.6% vs TC avg
Strong +27% interview lift
Without
With
+26.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
18 currently pending
Career history
333
Total Applications
across all art units

Statute-Specific Performance

§103
77.4%
+37.4% vs TC avg
§102
8.1%
-31.9% vs TC avg
§112
5.9%
-34.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 308 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 . Response to Amendment This office action is responsive to the amendment filed on February 26, 2026. As directed by the amendment: claims 1-7 have been amended, no claims have been cancelled, and no claims have been added. Thus, claims 1-7 are presently pending in this application. Applicant’s amendment are sufficient to overcome the claim objections and §112(b) rejections of the previous action. Response to Arguments Applicant's arguments filed February 26, 2026 have been fully considered but they are not persuasive. On pages 2-3 of the Remarks, Applicant argues that Piontek does not anticipate claim 1 because Piontek does not read on claim 1 lines 7-8 that recite “…permit fluid to flow from the adapter through the one or more channels and through the feeding tube with the anchor remaining seated within the adapter…”. Applicant describes Piontek including a luer type connector for a syringe on the hub 7 as evidence that Piontek does not anticipate Applicant’s invention. In response, Examiner notes that the claim does not recite use of a syringe and a luer connection. As noted below, the claim limitation remains broad in the sense that the fluid flow doesn’t have to occur within any particular time frame or even in a certain order, and therefore because it is possible for fluid to flow through the feeding tube with the anchor seated in the adapter, and then at a later time to permit fluid to flow from the adapter through the one or more channels in the opposite direction, this claim limitation is met by the cited art. Examiner suggests further defining the flow, such as “to permit a unidirectional flow wherein the fluid enters the adapter, then flows through the one or more channels, and then flows through the feeding tube”. 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. Claims 1-7 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Piontek et al. (Piontek) US 5,658,253. Regarding claim 1, Piontek discloses a feeding tube system comprising: a flexible feeding tube (feeding tube 1, c 3 ln 56) with a distal end and a proximal end (see annotated Fig. 1 below) having an adapter (fitting 3, c 3 ln 57) at the proximal end and a stylet (reinforcement wire 5, c 4 ln 41) with a distal end (distal end opposite proximal end) and a proximal end (proximal end of stylet, see annotated Fig. 1 below) wherein at least a portion of the stylet is positioned within the feeding tube (c 3 ln 5-20) and the stylet having an anchor (hub 7, c 3 ln 59) at the proximal end coupled thereto, wherein the anchor is configured to seat removably within the adapter to prevent the anchor from entering the feeding tube (c 1 ln 63 to c 2 ln 1), and wherein the anchor has one or more channels (channel, see annotated Fig. 4 below) extending through the anchor to permit fluid to flow from the adapter through the one or more channels and through the feeding tube with the anchor remaining seated within the adapter (it is noted that this claim limitation remains broad in the sense that the fluid flow doesn’t have to occur within any particular time frame or even in a certain order, and therefore because it is possible for fluid to flow through the feeding tube with the anchor seated in the adapter, and then at a later time to permit fluid to flow from the adapter through the one or more channels in the opposite direction, this claim limitation is met by the cited art. Examiner suggests further defining the flow, such as “to permit a unidirectional flow wherein the fluid enters the adapter, then flows through the one or more channels, and then flows through the feeding tube”.) PNG media_image1.png 884 589 media_image1.png Greyscale PNG media_image2.png 831 561 media_image2.png Greyscale Regarding claim 2, Piontek discloses the feeding tube system of claim 1, wherein the anchor has opposing proximal and distal sides and a perimeter edge therebetween, and wherein the one or more channels extend between the proximal and distal sides (see above annotated Fig. 4). Regarding claim 3, Piontek discloses the feeding tube system of claim 2, wherein the one or more channels are spaced apart from the perimeter edge (see above annotated Fig. 4). Regarding claim 4, Piontek discloses the feeding tube system of claim 3, wherein the distal side of the anchor is attached to the proximal end of the stylet (Fig. 4) and has a recess (recess, see annotated Fig. 4 above) formed on the distal side of the anchor in fluid communication with the one or more channels (Fig. 4). Regarding claim 5, Piontek discloses the feeding tube system of claim 4, wherein the feeding tube has an inner diameter and the stylet has an outer diameter smaller than the inner diameter of the feeding tube, thereby providing an annular space surrounding the stylet in the feeding tube (c 1 ln 63 to c 2 ln 1). Regarding claim 6, Piontek discloses the feeding tube system of claim 5, wherein the adapter has an inlet (inlet, see annotated Fig. 1 above) extending from the proximal end of the feeding tube and defining a shoulder (the inlet defines a shoulder on its distalmost surface) shaped complementary to the anchor to engage with the anchor and prevent it from entering the feeding tube (hub 7 attached to one end of the feeding tube, 1 ln 63 to c 2 ln 1). Regarding claim 7, Piontek discloses the feeding tube system of claim 6, wherein the anchor is generally disc-shaped (the hub 7 includes flange 11 that is generally disc-shaped, see Fig. 2) and the shoulder is generally annular (the distalmost surface of the inlet to fitting 3 is generally annular, see annotated Fig. 1 above). 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 JOHN A DOUBRAVA whose telephone number is (408)918-7561. The examiner can normally be reached M-F 9-5 Pacific Time. 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, Bhisma Mehta can be reached at 571-272-3383. 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. /J.A.D./Examiner, Art Unit 3783 /James D Ponton/Primary Examiner, Art Unit 3783
Read full office action

Prosecution Timeline

Show 1 earlier event
Sep 09, 2024
Non-Final Rejection mailed — §102
Dec 09, 2024
Response Filed
Feb 26, 2025
Final Rejection mailed — §102
Jul 28, 2025
Request for Continued Examination
Jul 31, 2025
Response after Non-Final Action
Aug 26, 2025
Non-Final Rejection mailed — §102
Feb 26, 2026
Response Filed
Apr 02, 2026
Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12672887
CLOT REMOVAL SYSTEM AND METHODS OF USE
4y 6m to grant Granted Jul 07, 2026
Patent 12642938
Rapidly Insertable Central Catheters and Methods Thereof
4y 11m to grant Granted Jun 02, 2026
Patent 12582803
CATHETER TIP CONTROL DEVICE AND RELATED SYSTEMS AND METHODS
4y 8m to grant Granted Mar 24, 2026
Patent 12582580
SET DETECTION AND FLOW MONITORING SYSTEM
1y 10m to grant Granted Mar 24, 2026
Patent 12575771
SYRINGE FOR OBTAINING A TARGET VOLUME OF BLOOD
3y 9m to grant Granted Mar 17, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.
Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

5-6
Expected OA Rounds
77%
Grant Probability
99%
With Interview (+26.8%)
3y 1m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 308 resolved cases by this examiner. Grant probability derived from career allowance rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month