Epson U.S. Printer Cartridge Patents

Seiko Epson Corporation believes that the following products, or components of the following products, may be covered by one or more of the indicated U.S. patents in the United States and, by reference to this web page, are marked pursuant to 35 U.S.C. § 287. However, the absence of a patent number associated with a product does not necessarily mean that the product is not covered by a particular patent either listed or not listed below. Furthermore, the omission of a product from this chart does not necessarily indicate that such product is not covered by a patent either listed or not listed below. Products remanufactured by Epson that retain their original Epson components have exhausted their patent coverage upon their first sale by Epson.

Epson U.S. Printer Cartridge Model Number (on cartridge label)	Associated U.S. Patent Number(s) that may cover the identified cartridge, or component of the cartridge
T0681; T0682; T0683; T0684; T0691; T0692; T0693; T0694; T0881; T0882; T0883; T0884	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T0771; T0772; T0773; T0774; T0775; T0776; T0781; T0782; T0783; T0784; T0785; T0786; T0791; T0792; T0793; T0794; T0795; T0796	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T0870; T0871; T0872; T0873; T0874; T0877; T0878; T0879	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T0961; T0962; T0963; T0964; T0965; T0966; T0967; T0968; T0969	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T0971	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T0981; T0982; T0983; T0984; T0985; T0986; T0992; T0993; T0994; T0995; T0996	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
124; 125; 126; 127	8,794,749; 9,180,675
T1590; T1591; T1592; T1593; T1594; T1597; T1598; T1599	8,794,749; 9,180,675
T3220; T3221; T3222; T3223; T3224; T3227; T3228; T3229; T3240; T3241; T3242; T3243; T3244;T3247; T3248; T3249	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T1571; T1572; T1573; T1574; T1575; T1576; T1577; T1578; T1579	8,794,749; 9,180,675
T7601; T7602; T7603; T7604; T7605; T7606; T7607; T7608; T7609	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
200, 200-I, 200XL, 220, 220XL, 220-I; 288, 288XL; 288-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
252-I; 252, 252XL, 254XL	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
702XL; 702; 702-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
802XL; 802; 802-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
202XL; 202; 202-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
212; 212XL; 212-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
812; 812XL; 812XXL; 812-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
822; 822XL; 822-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T924; T924XL; T09F1; T09F2; T09F3; T09F4	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T40V1; T40V2; T40V3; T40V4; T40W1; T40W2; T40W3; T40W4	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
222; 222XL; 222-I	11,535,037; 11,535,038
232; 232XL; 232-I	11,535,037; 11,535,038
T11J1; T11K1	11,535,037; 11,535,038; 11,820,150; 11,872,822
277; 277-I; 277XL; 273; 273-I; 273XL; 410; 410XL; 410-I	7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
302; 302XL; 302-I	7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
312; 312XL; 314XL; 312-I; 314-I	7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
215-I, 215	7,562,958; 8,366,233; 8,297,738; 8,297,739; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
320; 320-I	8,297,738; 8,297,739
T5911; T5912; T5913; T5914; T5915; T5916; T5917; T5918; T5919	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,882,513; 8,794,749; 7,484,825; 9,180,675
T5961; T5962; T5963; T5964; T5965; T5966; T5967; T5968; T5969; T596A; T596B; T6361; T6362; T6363; T6364; T6365; T6366; T6367; T6368; T6369; T636A; T636B; T6421; T6422; T6423; T6424; T6425; T6426; T6427; T6428; T6429; T642A; T642B; T7091; T7092; T7093; T7094; T7095; T7096	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T8041; T8042; T8043; T8044; T8045; T8046; T8047; T8048; T8049; T804A; T804B; T804D;T8241; T8242; T8243; T8244;T8245; T8246; T8247; T8248; T8249; T824A; T824B; T824D;T8341; T8342; T8343; T8344; T8345; T8346; T8347; T8348; T8349; T834A; T834B; T834D	7,018,039; 7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T596C; T642C; T6420	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T6531; T6532; T6533; T6534; T6535; T6536; T6537; T6538; T6539; T653A; T653B; 1480873	8,794,749; 9,180,675
T9131; T9132; T9133; T9134; T9135; T9136; T9137; T9138; T9139; T913A; T913B; 1480873	8,794,749; 9,180,675
T7101; T7102; T7103; T7104; T7105; T7106; T7100; T7107	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
711XXL (T6751; T6752; T6753; T6754); 676XL (T6761; T6762; T6763; T6764); T6811; T6812; T6813; T6814	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
786-I; 786; 786XL; 788XXL	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
792XL; T9181	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
748; 748XL; 748XXL; T7571; T7572; T7573; T7574	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
R22X; R24X; R24X-I	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
R12-I; R-12; R12X; R12-X-I; R14X; R14X-I; T8861; T8862; T8863; T8864	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
902XXL; 902XL; 902; R02X; R02L; T9351; T9352; T9353; T9354	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
M02, M02XL, M02XXL; T9551	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T01C1; T01C2; T01C3; T01C4; T01D1; T01D2; T01D3; T01D4; T01E1; T01E2; T01E3; T01E4	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T6891; T6892; T6893; T6894; T6911; T6912; T6913; T6914; T6915; T6916; T6917; T6918; T691A; T691B; T7151; T7152; T7153; T7154; T7155; T7156; T7157; T7158; T715A; T715B; T6990	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T8000; T8001; T8002; T8003; T8004; T8005; T8006; T8007; T8008; T8009	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T6921; T6922; T6923; T6924; T6925; T6931; T6932; T6933; T6934; T6935; T6941; T6942; T6943; T6944; T6945; 1582821	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T7251; T7252; T7253; T7254; T725A; T7301; T7302; T7303; T7304; T730A; T7271; T7272; T7273; T7274; T727A; T7360	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T41P2; T41P3; T41P4; T41P5; T41W2; T41W3; T41W4; T41W5; T41N2; T41N3; T41N4; T41N5; 1725103	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T7821; T7822; T7823; T7824; T7825; T7826; T7820	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T7991; T7992; T7993; T7994; T7995; T7996; T7999; T799A; T8211; T8212; T8213; T8214; T8215; T8216; T8219; T7990; T7997; T7998	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T8901; T8902; T8903; T8904; T8905; T8906; T8907; T8908; T8909; T890A; T890B; T9221; T9222; T9223; T9224; T9225; T9226; T9227; T9228; T9229; T922A; T922B; T6960; SC10CLL	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T43F1; T43F2; T43F3; T43F4; T43F5; T43F6; T43F7; T43F8; T43M1; T43M2; T43M3; T43M4; T43M5; T43M6; T43M7; T43M8; T43MA; T43MD; 1803916	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T8581; T8582; T8583; T8584; T8871; T8872; T8873; T8874; T04Q1; T02Y1; T02Y2; T02Y3; T02Y4;T02S1; T02S2; T02S3; T02S4; T02Q1;T02Q2; T02Q3; T02Q4	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T43S1; T43S2; T43S3; T43S4; T43S5; T43S6; 1767664	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T44H1; T44H2; T44H3; T44H4; T44H5; T44H6; T44H7; T44H8; T44H9; T44HA; T44HB; T44HD; T44P1; T44P2; T44P3; T44P4; T44P5; T44P6; T44P7; T44P8; T44P9; T44PA; T44PB; T44PD; T44W1; T44W2; T44W3; T44W4; T44W5; T44W6; T44W7; T44W8; T44W9; T44WA; T44WB; T44WD; 1771413	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
SJIC35P-BK; SJIC35P-C; SJIC35P-M; SJIC35P-Y; SJIC35P-MK; T44B1; T44B2; T44B3; T44B4; T44B5; 1794382	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
SJIC41P-BK; SJIC41P-C; SJIC41P-M; SJIC41P-Y; SJIC41P-MK;T52L1; T52L2; T52L3; T52L4; T52L5	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T45L1; T45L2; T45L3; T45L4; T45L5; T45L6; T45L7; T45L8; T45L8; T45L9; T45LA; T45LB; T44A5	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T47X1; T47X2; T47X3; T47X4; T47XA; T44A9	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T45S1; T45S2; T45S3; T45S4; T45S5; T45S6; T45S7; T45S8; T48E1; T48E2; T48E3; T48E4; T48E5; T48E6; T48E7; T48E8; T45X1; SC22CLL	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T770, T46Y1, T46Y2, T46Y3, T46Y4, T46Y5, T46Y6, T46Y7, T46Y8, T46Y9, T46YD; T47G1; T47G2; T47G3; T47G4; T47G5; T47G6; T47G7; T47G8; T47G9; T47GD; T47N1; T47N2; T47N3; T47N4; T47N5; T47N6; T47N7; T47N8; T47N9; T47ND	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675+D107
T48L1; T48L2; T48L3; T48L4; T48L8; T48LE; T48S1; T48S2; T48S3; T48S4; T48S8; T48SE; T49A1; T49A2; T49A3; T49A4; T49A8; T49AE; 1771413	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T46J1; T46J2; T46J3; T46J4; T46J5; T46J6; 1840377	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
912; 912XL; 912XXL; T00A1; T00A2; T00A3; T00A4	7,562,958; 8,366,233; 8,454,116; 8,801,163; 8,794,749; 8,882,513; 7,484,825; 9,180,675
T05B1; T05B2; T05B3; T05B4; T05A1; T05A2; T05A3; T05A4; T05C1; T05C2; T05C3; T05C4	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T49R1; T49R2; T49R3; T49R4; T49R5: T49R6; T49R7; T49R8; T49RB; T49RC;T51J1; T51J2; T51J3; T51J4; T51J5; T51J6; T51J7; T51J8; T51JB; T51JC;T49Q1; T49Q2; T49Q3; T49Q4; T49Q5; T49Q6; T49Q7; T49Q8; T49QA; T49QB; T49QE; T49QF;T52W1; T52W2; T52W3; T52W4; T52W5; T52W6; T52W7; T52W8;T52X1; T52X2; T52X3; T52X4; T52X5; T52X6; T52X7; T52X8;T51H1; T51H2; T51H3; T51H4; T51H5; T51H6; T51H7; T51H8; T51HA; T51HB; T51HE; T51HF;T49S1; T49S2; T49S3; T49S4; T49S5; T49S6; T49S7; T49S8;T51K1; T51K2; T51K3; T51K4; T51K5; T51K6; T51K7; T51K8;T49U1; T49U2; T49U3; T49U4; T49U5; T49U6; T49U7; T49U8;T51L1; T51L2; T51L3; T51L4; T51L5; T51L6; T51L7; T51L8;T49QG10; T51HG10; T49SA10; T51KA10; T49QG00; T49SA00; T49Q010	8454116, 8794749, 8801163, 8882513, 7562958, 8366233, 7484825, 9180675
T52Y1; T52Y2; T52Y3; T52Y4; T52Y8; T52Y9; T53E1; T53E2;T53E3; T53E4; T53E7; T53E8;1880524; 1878889	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T53K2; T53K3; T53K4; T53K5; T53K6; T53K7; T53K8; T53K9; T53KA; T53KD; 1888080	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T53R1; T53R2; T53R3; T53R4; T53R5; T53R6; T53R7; T53R9; T53RA; T53RV;	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T54K1; T54K2; T54K3; T54K4; T54KA; T54KB; T54R9	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T55A1; T55A2; T55A3; T55A4; T55AA; T55AB; T55G9	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T10S1; T10S2; T10S3; T10S4; T10W1; T10W2; T10W3; T10W4; T10Y1; T10V1; T10V2; T10V3; T10V4	11,535,037; 11,535,038
T12A1; T12G1; T12H1; T12J1	11,535,037; 11,535,038
T08C1; T08C2; T08C3; T08C4; T08D1; T08D2; T08D3; T08D4; T08W1; T08W2; T08W3; T08W4; T08X1; T08X2; T08X3; T08X4; T08M1; T08M2; T08M3; T08M4; T08K1; T08K2; T08K3; T08K4; T09M1; T09M2; T09M3; T09M4	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T56E1; T56E2; T56E3; T56E4; T56E5; T56E6; T56E7; T56E8; T56E9; T56EA; T56EB; T56ED	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
T55V1; T55V2; T55V3; T55V4; T55V5; T55V6; T55V7; T55V8; T55V9; T55VD	8,794,749; 9,180,675
T57D1; T57D2; T57D3; T57D4; T57D5; T57D6; T57DC; T57DL; T57K1; T57K2; T57K3; T57K4; T57K5; T57K6; T57KC; T57KL; T57R1	8,454,116; 8,794,749; 8,801,163; 8,882,513; 7,562,958; 8,366,233; 7,484,825; 9,180,675
SJIC26P(K); SJIC26P(C); SJIC26P(M); SJIC26P(Y); S020614; S020615; S020616; S020617;SJIC30P(K); SJIC30P(C); SJIC30P(M); SJIC30P(Y); S020635; S020636; S020637; S020638	7,562,958; 8,366,233; 8,454,116; 8,794,749; 8,882,513; 8,801,163; 7,484,825; 9,180,675