Prosecution Insights
Last updated: April 19, 2026
Application No. 18/022,910

DRUG SYRINGES WITH A MECHANICAL STOP FOR A SECOND DOSE

Non-Final OA §102§103
Filed
Feb 23, 2023
Examiner
AHMED, TASNIM M
Art Unit
3783
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Janssen Pharmaceutica NV
OA Round
1 (Non-Final)
80%
Grant Probability
Favorable
1-2
OA Rounds
2y 9m
To Grant
86%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allow Rate
342 granted / 427 resolved
+10.1% vs TC avg
Moderate +6% lift
Without
With
+6.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
32 currently pending
Career history
459
Total Applications
across all art units

Statute-Specific Performance

§101
1.5%
-38.5% vs TC avg
§103
36.9%
-3.1% vs TC avg
§102
29.9%
-10.1% vs TC avg
§112
21.9%
-18.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 427 resolved cases

Office Action

§102 §103
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 without traverse of group I (claims 1-15) in the reply filed on 05 January 2026 is acknowledged. 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. Claims 1-3 and 13 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Kubo et al (US 2013/0096493). Regarding claim 1, Kubo discloses: A drug delivery system (Fig. 1), comprising: a dispensing head (5) including a proximal tip configured to be positioned in a nose of a patient (¶0002 – nasal administration), the tip (5) having an opening (51; Fig. 2) therein, a drug holder (1) containing a drug therein (¶0040); a plunger (3) configured to move distally in response to a manual user force applied thereto (¶0040); and a mechanical stop (32); wherein the plunger (3) is configured to move a first predetermined distance distally relative to the dispensing head (5) in a first stage of operation in which the drug is delivered from the drug holder (1) and out of the opening (51) before the mechanical stop (32) prevents further distal movement of the plunger(3) (¶0045); and wherein the plunger (3) is configured to move a second predetermined distance distally relative to the dispensing head in a second stage of operation in which the drug is delivered from the drug holder and out of the opening (51) (¶0052). Regarding claim 2, Kubo discloses: The system of claim 1, further comprising a body (12) in which the drug holder (1) is disposed; wherein: the plunger (3) is configured to move the first predetermined distance and the second predetermined distance relative to the body (12); the body (12) includes a flange (6) with a hole (61; Fig. 6) therein through which the plunger (3) is configured to move distally (¶0043); and the mechanical stop (32) comprises a feature (rib of 32) on the plunger (3) that is configured to abut the flange (6). Regarding claim 3, Kubo discloses: The system of claim 2, wherein the plunger (3) is configured to be rotated relative to the body (12) after the plunger (3) moves the first predetermined distance and before the plunger (3) moves the second predetermined distance (¶0052). Regarding claim 13, Kubo discloses: The system of claim 1, further comprising a viewing window (Fig. 8 – gap that allows device to be slipped into body 6) configured to allow a user to visualize whether or not each of the first and second stages of operation have occurred (¶0048). Claims 1, 2, 4-6, 8, and 10-11 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Grabenkort et al (US 2005/0004530). Regarding claim 1, Grabenkort discloses: A drug delivery system (Fig. 2A), comprising: a dispensing head (64; Fig. 2A) including a proximal tip (fully capable of being positioned in a nose of a patient), the tip having an opening therein, a drug holder (10) containing a drug therein (¶0051); a plunger (20) configured to move distally in response to a manual user force applied thereto (¶0052); and a mechanical stop (30); wherein the plunger (20) is configured to move a first predetermined distance distally relative to the dispensing head in a first stage of operation (Fig. 2B) in which the drug is delivered from the drug holder (10) and out of the opening before the mechanical stop (30) prevents further distal movement of the plunger (20); and wherein the plunger (20) is configured to move a second predetermined distance distally relative to the dispensing head in a second stage of operation (Fig. 2E) in which the drug is delivered from the drug holder (10) and out of the opening (¶0053). Regarding claim 2, Grabenkort discloses: The system of claim 1, further comprising a body (18) in which the drug holder (10) is disposed; wherein: the plunger (20) is configured to move the first predetermined distance and the second predetermined distance relative to the body (18); the body (18) includes a flange with a hole therein through which the plunger (20) is configured to move distally (¶0053); and the mechanical stop (32) comprises a feature on the plunger (10) that is configured to abut the flange (¶0053). Regarding claim 4, Grabenkort discloses: The system of claim 2, wherein the mechanical stop (262; Fig. 12B – the embodiment of Figs. 12 is an alternative to that of Figs. 2) is configured to be manually removed (Fig. 12B) from the plunger (20) after the plunger (20) moves the first predetermined distance and before the plunger (20) moves the second predetermined distance (¶0068). Regarding claim 5, Grabenkort discloses: The system of claim 2, wherein the mechanical stop (32) is configured to be manually pushed radially inward (Fig. 2D) relative to the body (18) after the plunger (20) moves the first predetermined distance and before the plunger (20) moves the second predetermined distance (¶0053). Regarding claim 6, Grabenkort discloses: The system of claim 1, further comprising a body (226; Fig. 8A – the embodiment of Figs. 8 is an alternative to that of Figs. 2) in which the drug holder (10) is disposed; wherein the mechanical stop (220; Fig. 8B) comprises a tab (222) frangibly attached to the body (¶0064). Regarding claim 8, Grabenkort discloses: The system of claim 1, wherein the mechanical stop (220; Fig. 8B – the embodiment of Figs. 8 is an alternative to that of Figs. 2) comprises a tab (222) frangibly attached to the plunger (20). Regarding claim 10, Grabenkort discloses: The system of claim 1, further comprising a housing (Fig. 9A – the embodiment of Figs. 9 is an alternative to that of Figs. 2) in which the drug holder (10) and the plunger (20) are disposed; wherein the mechanical stop (230) comprises a stop member (234) that is internal to the housing and that is configured to abut a flange (232) of the plunger (20). Regarding claim 11, Grabenkort discloses: The system of claim 1, further comprising a body (Fig. 9A – the embodiment of Figs. 9 is an alternative to that of Figs. 2) in which the drug holder (10) is disposed; wherein the mechanical stop (230) includes a stop member (234) that is internal to the body and that is configured to releasably seat a flange (232) of the plunger (20) therein. Claims 1, 9, and 12 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Borchard (US 4962868). Regarding claim 1, Borchard discloses: A drug delivery system (Fig. 1), comprising: a dispensing head (1) including a proximal tip configured to be positioned in a nose of a patient (Col. 1:27-30), the tip (1) having an opening therein, a drug holder (2) containing a drug therein; a plunger (2a) configured to move distally in response to a manual user force applied thereto (Col. 2:65-68); and a mechanical stop (7; Fig. 3b); wherein the plunger (2a) is configured to move a first predetermined distance distally relative to the dispensing head (1) in a first stage of operation (b; Fig. 3c) in which the drug is delivered from the drug holder (2) and out of the opening before the mechanical stop (7) prevents further distal movement of the plunger (2); and wherein the plunger (2) is configured to move a second predetermined distance distally relative to the dispensing head (1) in a second stage of operation (d) in which the drug is delivered from the drug holder (2) and out of the opening. Regarding claim 9, Borchard discloses: The system of claim 1, further comprising a body (3b) in which the drug holder (2) is disposed; wherein: the body (3b) has a proximal hole (closed end of groove 16) formed therein, a distal hole (11) formed therein, and an intermediate hole (12) formed therein that is located between the proximal and distal holes; and the mechanical stop (7) comprises a depressible pin that extends radially outward from the plunger (2) and that is configured to be successively seated in the proximal hole, the intermediate hole (12), and the distal hole (11) (Col. 4:24-40). Regarding claim 12, Borchard discloses: The system of claim 1, wherein the mechanical stop (7) comprises a protrusion (7) extending from the plunger (2); the drug delivery system further comprises a body (3b) having a track (16) formed therein; the protrusion (7) is configured to slide longitudinally within the track (16) during the first stage of operation (b); the plunger (2) is configured to be rotated (c) relative to the body (3b) between the first and second stages of operation (b, d); the protrusion (7) is configured to slide axially within the track (16) in response to the rotation of the plunger (2); and the protrusion (7) is configured to slide longitudinally within the track (16) during the second stage of operation (d). Claims 1 and 7 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Pollard Jr. et al (US 2010/0286513). Regarding claim 1, Pollard Jr. discloses: A drug delivery system (Fig. 2), comprising: a dispensing head (58) including a proximal tip (fully capable of being positioned in a nose of a patient), the tip having an opening therein, a drug holder (50) containing a drug therein (¶0028); a plunger (14) configured to move distally in response to a manual user force applied thereto (¶0030); and a mechanical stop (flange surrounding opening 30 in Fig. 1); wherein the plunger (14) is configured to move a first predetermined distance distally relative to the dispensing head (58) in a first stage of operation (Fig. 3) in which the drug is delivered from the drug holder (50) and out of the opening before the mechanical stop prevents further distal movement of the plunger (14); and wherein the plunger (14) is configured to move a second predetermined distance distally relative to the dispensing head (58) in a second stage of operation (Fig. 2) in which the drug is delivered from the drug holder (50) and out of the opening. Regarding claim 7, Pollard Jr. discloses: The system of claim 1, wherein the plunger (14) includes a first plunger (16) and a second plunger (18); the first plunger (16) is configured to move the first predetermined distance distally relative to the dispensing head (58) and the second plunger (18); the mechanical stop comprises a proximal flange of the second plunger (18); and the second plunger (18) is configured to move the second predetermined distance distally relative to the dispensing head (58). Claim Rejections - 35 USC § 103 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 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention. Claims 14-15 are rejected under 35 U.S.C. 103 as being unpatentable over Kubo in view of Vedrine et al (US 2002/0010428). Regarding claim 14, Kubo disclose the system of claim 1 but is silent regarding “the drug is one of ketamine, esketamine, naloxone, and sumatriptan.” However, Vedrine teaches a nasal syringe device (Fig. 1), thus being in the same field of endeavor, that delivers a variety of drugs such as ketamine (¶0065). It would have been obvious to a person of ordinary skill in the art prior to the effective filing date of the claimed invention to have used the drug product of Vedrine in the device of Kubo in order to deliver ketamine to a patient. As such, Kubo in view of Vedrine also makes obvious claim 15, namely a drug product disposed in the system of claim 1, wherein the drug product is one of ketamine, esketamine, naloxone, and sumatriptan. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to TASNIM M AHMED whose telephone number is (571)272-9536. The examiner can normally be reached M-F 9am-5pm 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. /TASNIM MEHJABIN AHMED/Primary Examiner, Art Unit 3783
Read full office action

Prosecution Timeline

Feb 23, 2023
Application Filed
Feb 21, 2026
Non-Final Rejection — §102, §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12599722
SYRINGE HOLDER
2y 5m to grant Granted Apr 14, 2026
Patent 12599727
Syringe with Suction-Based Automatic Disabling
2y 5m to grant Granted Apr 14, 2026
Patent 12594383
LOCK MECHANISM FOR A MEDICAMENT DELIVERY DEVICE
2y 5m to grant Granted Apr 07, 2026
Patent 12594380
Medication Injector Assembly And Method Of Use
2y 5m to grant Granted Apr 07, 2026
Patent 12564689
INJECTION DEVICE AND COMPONENTS THEREOF
2y 5m to grant Granted Mar 03, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.
Powered by AI — typically takes 5-10 seconds

Prosecution Projections

1-2
Expected OA Rounds
80%
Grant Probability
86%
With Interview (+6.4%)
2y 9m
Median Time to Grant
Low
PTA Risk
Based on 427 resolved cases by this examiner. Grant probability derived from career allow 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