Patents Sealed

Year

Indian

Foreign

Total

1975-76

426

1894

2320

1976-77

928

1964

2892

1977-78

657

1857

2514

1978-79

281

499

780

1979-80

516

1657

2173

1980-81

349

670

1019

1981-82

421

936

1357

1982-83

405

822

1227

1983-84

340

980

1320

1984-85

263

1206

1469

1985-86

451

1500

1951

1986-87

532

1594

2126

1987-88

588

1516

2104

1988-89

795

2585

3380

1989-90

519

1371

1890

1990-91

379

1112

1491

1991-92

551

1125

1676

1992-93

251

1021

1272

1993-94

442

1304

1746

1994-95

476

1283

1759

1995-96

415

1118

1533

1996-97

293

614

907

1997-98

619

1225

1844

1998-99

645

1155

1800

1999-2000

557

1324

1881

2000-01

399

919

1318

2001-02

654

937

1591